Math II Solving Quadratics Equations

Solve 2x² - 8x= 0 using completing the square.

• 0

• 2

• 4

• 8

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to solve 2x² + 2x - 12?

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Solve by taking square roots:
k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

Tags

CCSS.HSA-REI.B.4B

Find the expression equivalent to x²+5x-24

• (x+3)(x+8)

• (x-3)(x-8)

• (x+3)(x-8)

• (x-3)(x+8)

Select the solutions to the equation

4x² + 11x + 7 = 0

• x = - 1.75

• x = 6

• x = - 1

• x = 1

What are the solutions to the quadratic equation?

• x = -4

• x = 1

• x = -1

• x = 2

• x = 4

Find the solution to the equation:

x² + 6x + 3 = -2

• x = 5 or x = 1

• x = -5 or x = -1

• x = -5 or x = 1

• no solution

Tags

CCSS.HSA-REI.B.4B

What are the solutions for this quadratic equation?

• -4 and 0

• 4 and 0

• -2 and 4

• -2 and -4

Solve: x² – 18m + 31 = 6

Tags

CCSS.HSA-REI.B.4B

The equation y=ax²+bx+c is graphed in the standard (x,y) coordinate plane for real values of a, b, and c. When y=0 y=0, which of the following best describes the solutions for x?

• 2 distinct positive real solutions

• 2 distinct negative real solutions

• 1 positive real solution and 1 negative real solution

• 2 distinct solutions that are not real