SOLUTION: 1.Solve for x in the following quadratic equations by factoring. a.x2−8x+16=0 (3 marks) b. x2+14x=0 (4 marks) c.6x2−7x−3=0 (4 marks) d.x2−(72)x+32=0

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: 1.Solve for x in the following quadratic equations by factoring. a.x2−8x+16=0 (3 marks) b. x2+14x=0 (4 marks) c.6x2−7x−3=0 (4 marks) d.x2−(72)x+32=0       Log On


   

Question 998644: 1.Solve for x in the following quadratic equations by factoring.
a.x2−8x+16=0 (3 marks)
b. x2+14x=0 (4 marks)
c.6x2−7x−3=0 (4 marks)
d.x2−(72)x+32=0 (4 marks)
2.Solve for x in the following quadratic equations using the formula. State your answers in fraction or whole number form or round decimals to the nearest tenth. (3 marks each)
a.5x2−8x−4=0
b.3x2+2=4x
c.9x2+12x+4=0

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!

x%5E2-8x%2B16=0
x%5E2-4x-4x%2B16=0

x(x-4)-x(x-4)=0
(x-4)(x-4)=0
x-4 =0
x=4
x%5E2%2B14x=0
x%28x%2B14%29=0
x= 0 OR
x_14=0
x=-14
0,-14


6x%5E2-7x%2B3=0
6x%5E2-9x%2B2x-3=0
3x(2x-3)+1(2x-3)=0
(3x+1)(2x-3)=0
3x+1=0 OR 2x-3=0
3x+1=0
x= -1/3
2x-3=0
x= 3/2