Quadratics Test

What are the x- intercepts?

• x= 0 and x= -4

• x= 0 and x= 4

• y= 0

• x= 2

Tags

CCSS.HSF-IF.C.7A

Solve using the Square Root Method

-5x² = -50

• ± 5

• ± 10

• ± √10

• -10

• 5

Tags

CCSS.HSA-REI.B.4B

Factor:

p² - 4p - 45

• Prime

• (p+5)(p-9)

• (p-5)(p+9)

• (p-5)(p-9)

Which of the follow equations is the vertex form of a quadratic function?

• y = ax² + bx + c

• y = a(x - p)(x - q)

• y = a( x - h)² + k

• y = mx + b

• ax + by = c

When using factoring to solve a quadratic equation, what must be true?

• The equation must be set equal to 1.

• The equation must be set equal to 10.

• The equation must be set equal to 0.

• It is not necessary to set the equation equal to anything.

Tags

CCSS.HSA-REI.B.4B

ax²+bx+c=0  is the standard form of a quadratic equation.

• True

• False

Determine the values of a, b, and c for the quadratic equation:  4x² – 8x - 3 = 0

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Factor x²-11x+24

• (x-3)(x-8)

• (x-2)(x-12)

• (x+3)(x+8)

• (x+2)(x+12)

Solve using the Quadratic Formula:

2x² + 2x − 12 = 0

• x = −2, 3

• x = 2, 3

• x = 2, −3

• x = −2, −3

Tags

CCSS.HSA-REI.B.4B

Which method can you use to solve ALL quadratic equations?

• Factoring

• Square Roots

• Quadratic Formula

Tags

CCSS.HSA-REI.B.4B