Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Tutors Answer Your Questions about Linear-equations (FREE)

Question 1087261: can b=0 also be written as b ≤ o?

i know it would be m<0 and b=0
but can b=0 also be written as b ≤ 0 ?
here is the graph:
https://www.algebra.com/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+-x%29+
Click here to see answer by MathTherapy(10552)

Question 1087347: Put the following linear equation into triangular form.
{-5� + y = 17
{� +y = 5
Click here to see answer by Fombitz(32388)

Question 1087396: Help me determine the slope of the graph of the linear function f, given: f(3)=-1, f(-5)=-1
Click here to see answer by MathLover1(20849)

Question 1087413: right
Click here to see answer by Alan3354(69443)

Question 1087416: when I open book two page face me the sum of the page number is 85 what are the page number if the sum is not give but the product is gives to be 1806how will you find page number

Click here to see answer by ankor@dixie-net.com(22740)

Question 1087397: Write an equation of the line that is the perpendicular bisector of AB, when A is (4,1) and B is (8,3), in point-slope form, slope-intercept form, and standard form
Click here to see answer by josgarithmetic(39617)

Question 1087476: The x-intercept of the linear equation 3x-4y=12 is
Click here to see answer by Alan3354(69443)

Question 1087474: Write the equation for the line (in y=mx + b form) that is perpindicular to the line with equation y= -4/3x -4 that passes through the point (-5,6)
Click here to see answer by MathLover1(20849)

Question 1087567: A car service charges $12 to pick up a passenger, and 40 cents per mile for any trip.
Write a linear function which models the total charge for a fare F(in$) as a function of total distance of the trip d(in miles).
F(d)=
How far(in miles) can the passenger travel with $48?
d=

Click here to see answer by josmiceli(19441)

Question 1087573: 4 X ? = 3 (mod6)
Click here to see answer by ikleyn(52781)

Question 1087574: Find all replacements (less than the modulus) for the question mark that makes the statement true.
4 x ? = 3 (mod6)
1) 1,3,5
2) 0
3) 2,4
4) no solution
Click here to see answer by jim_thompson5910(35256)

Question 1087615: It is 440km to Detroit. It took me 5hours to drive there. Part of the time I was traveling 100km/h on the 401 and part of the time I was travelling 60km/h on HWY7. How long was I on each road. Create and solve a system for full marks.
Click here to see answer by josmiceli(19441)

Question 1087425: Sketch the graph and identify focus, directrix, vertex, latus rectum and axis of symmetry: x^2 = 18y
Thank you very much!
Click here to see answer by Edwin McCravy(20055)

Question 1087716: Which of the following points lies on the line 3x - y = -2?
(-2,-4)

(2,-4)

(-1,1)

(0,-2)

Click here to see answer by josgarithmetic(39617)

Question 1087784: Perform an operation on the given system that eliminates the indicated variable. Write the new equivalent system.
−5x + 5y − 4z = 4
10x − 9y + z = −20
−x + 9y + z = 8
Eliminate the x-term from the second equation.

Click here to see answer by ikleyn(52781)

Question 1087877: A�line that includes the points�(9, -7)�and�(8, j ) has a slope of�2.�What is the value of�j ?
j=

Click here to see answer by ikleyn(52781)

Question 1087879:
Find the slope of the line that passes through (10, 10) and (2, 3).
Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Click here to see answer by josmiceli(19441)

Question 1087883: Hi ikleyn (13767)
I apologize "Submit" was on my HW page I copied and pasted the question on to this site. I am so thankful for your assistance you have helped my so much I greatly appreciate you. I love the way you take the time to explain the problem and submit helpful links. Thank you
Click here to see answer by ikleyn(52781)

Question 1087887:
Find the slope of the line that passes through (10, 6) and (1, 1).
Simplify your answer and write it as a proper fraction, improper fraction, or integer.
Thank you

Click here to see answer by Alan3354(69443)

Question 1087934: Find an equation of the the line satisfying the given conditions. Through (4, 9); perpendicular to 6x + 8y = 96
Click here to see answer by ikleyn(52781)

Question 1087998: what is the point-slope form of a equation of the line through the points (-1,4)(-2,2)

Click here to see answer by Alan3354(69443)

Question 1087993: Find an equation of the line satisfying the given conditions. Through (4, 9); perpendicular
to 6x + 8y = 96
A) 4x - 3y = -11
B) 4x + 3y = -11
C) 3x - 4y = -11
D) 4x - 3y = 1
Click here to see answer by Alan3354(69443)

Question 1088122: Find the slope of the line y = -3/8x � 1

Simplify your answer and write it as a proper fraction, improper fraction, or integer.
Thank You
Click here to see answer by Boreal(15235)

Question 1088156: A line that includes the points (7,h) and (4,-2) has a slope of 3. What is the value of h?
h=

Thank you
Click here to see answer by math_helper(2461)

Question 1088159: Find the slope of the line y = -3x + 1/3

Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Click here to see answer by ikleyn(52781)

Question 1088166:
A�line with a slope of�10�passes through the points�(w,10) and�(-6,-10).
�
What is the value of�w ?

w=

Click here to see answer by raj.anuraag@gmail.com(1)

Question 1088166:
A�line with a slope of�10�passes through the points�(w,10) and�(-6,-10).
�
What is the value of�w ?

w=

Click here to see answer by josmiceli(19441)

Question 1088087: Two friends are returning home from Vacaville, CA to Carlsbad, CA, a round trip of 984 miles. They would like to stop over in Bakersfield to go to the Museum of Art, free admissions on Fridays. They would also like to eat lunch within walking distance of the museum, spending $8 each. This side trip would add 54 miles to the trip. They have designated a budget of $90 for the return trip to Carlsbad. Each gallon costs $3.64 and their car gets 26 miles per gallon. Do they have enough money to take this extra stop?
a) Yes, they will have $7.43 extra after the side trip.
b) Yes, they will have $4.32 extra after the side trip.
c) No, they will need an additional $2.44.
d) No, they will need an additional $8.73.

Click here to see answer by josmiceli(19441)

Question 1088239: Building Lot A requires $50,000 down plus an additional $100 per square foot. Building Lot B requires $60,000 down plus an additional $50 per square foot. What size lot would make the two lots the same price?

Click here to see answer by Boreal(15235)

Question 1088249: Find the slope of the line y = -2/5x � 9.
Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Click here to see answer by Boreal(15235)

Question 1088285: Find the equation of a straight line passing through A(2-3) and parallel to B(4,1) and C(-2,2)
Click here to see answer by josgarithmetic(39617)

Question 1088396:

The points (p,-8)and (-10,2) fall on a line with a slope of -5.
What is the value of p?

p=

Click here to see answer by rothauserc(4718)

Question 1088413: How to calculate 2/75?

Click here to see answer by Fombitz(32388)

Question 1088436: A line has a slope of -4 and includes the points (r,6) and (-1,-10). What is the value of r?
r=
Thank you
Click here to see answer by jim_thompson5910(35256)

Question 1088435:

Find the slope of the line y= -6/5x + 8/5.
Simplify your answer and write it as a proper fraction, improper fraction, or integer.

thank You

Click here to see answer by josgarithmetic(39617)

Question 1088440: Find the slope of the line y= 7x � 3/ 4.
Simplify your answer and write it as a proper fraction, improper fraction, or integer.
Thank you
Click here to see answer by MathLover1(20849)

Question 1088470: please solve this problem : 'A circle of radius 2 is centered at the origin and goes through the point (-1, √3) a find an equation for the line goes through the point (-1,√3) b find an equation for he tangent line to the circle at (-1,√3) Hint: A tangent line is perpendicular to the radius at the point of tangent'
Click here to see answer by Alan3354(69443)

Question 1088531:
A line with a slope of -1 passes through the points (9,-7) and (q,-6). What is the value of q?
q=

thank you
Click here to see answer by rothauserc(4718)

Question 1088530: Can you please assist me with this math problem thank you

Find the slope of the line y= -2/3x.
Simplify your answer and write it as a proper fraction, improper fraction, or integer.
Click here to see answer by rothauserc(4718)

Question 1088532: Dear Tutors can you please assist me with this problem thank you
A line with a slope of -10 passes through the points (8,-5) and (h,5). What is the value of h?
h=

Click here to see answer by Theo(13342)

Question 1088542:
A line with a slope of 8 passes through the points (0,z) and (2,9). What is the value of z?

z=
thank you
Click here to see answer by math_helper(2461)

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