SOLUTION: Hello, How do I find the vertex and intercept, and sketch its graph: g(x) = x^2 + 2x

SOLUTION: Hello, How do I find the vertex and intercept, and sketch its graph: g(x) = x^2 + 2x - 24 Thank you so much!

Question 65587This question is from textbook Algebra for college students
: Hello,
How do I find the vertex and intercept, and sketch its graph:
g(x) = x^2 + 2x - 24
Thank you so much! This question is from textbook Algebra for college students

Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
x^2+2x-24
(x-4)(x+6)
x-4=0
x=4 one intercept on the x axis
x+6=0
x=-6 another x intercept
coordinates of vertex
x=(4-6)/2
x=-2/2
x=-1
y=-1*-1+2*-1-24
y=1-2-24
y=1-26
y=-25 then the vertex is (-1,-25)
(graph 300x200 pixels, x from -10 to 10, y from -30 to 10, of functions x^2+x-24).
#####################################################################
MERRY CHRISTMAS
RELATED QUESTIONS
Hello, How do i fint the vertex and intercepts, and sketch its graph: g(x) = x^2 -... (answered by checkley71)

Hello, Whats the vertex and intercepts for the quadratice function, and how do i... (answered by checkley71)

Find the vertex and intercept for the parabola. Sketch the graph.... (answered by checkley71)

Please find the standard form/vertex form, vertex, x-intercept and y-intercept, and graph (answered by TimothyLamb)

A quadratic function is given. (a) Express the quadratic function in standard form (b)... (answered by josgarithmetic)

How would I find the x and y-intercept and vertex of: H(x)=3x-1/2x^2 Thank... (answered by macston)

Find the vertex and intercepts. Sketch the graph.... (answered by checkley71)

I need your help. Can someone please graph this for me? Find the vertex and intercepts (answered by Alwayscheerful)

Find the vertex and intercepts for each quadratic function, and sketch its graph y = (answered by rapaljer)