Quadratics Pretest

What is the GCF of the trinomial?
3x² - 9x -120

• 3
• 2
• 6
• 9

Factor: x² – 5x – 24

• (x - 5)(x + 19)
• (x - 8)(x + 3)
• (x - 3)(x + 8)
• (x - 19)(x + 5)

Factor using difference of squares:
x² - 25

• ( x + 5 ) ( x - 5 ) 
• ( x - 5 ) ( x - 5 ) 
• ( x + 5 ) ( x + 5 ) 
• Prime

Tags

CCSS.HSA.APR.C.4

What is the factored form of 2x² + x - 3?

• (2x + 3) (x - 1)
• (2x + 1) (x - 3)
• (2x - 3) (x + 1)
• (2x - 1) (x + 3)

What are the roots of the function
f(x)= (x - 2)(x + 3)?

• x = - 2 or x = 3
• x = 2 or x = -3
• The are no real roots
• x = 2 or x = 3

Tags

CCSS.HSF-IF.C.7C

Without using a graphing calculator:  What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down

Tags

CCSS.HSF-IF.C.7A

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

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

What piece of information does c identify in the following equation?
y=ax²+bx+c

• Zeroes
• Axis of Symmetry
• Direction
• y-intercept

Tags

CCSS.HSF-IF.C.7A

What is the axis of symmetry for the following equation?
y=-x²+6x+9

• x=3
• x=2
• x=-3
• x=-2

What equation matches the following graph?

• y=-2x²-4x-3
• y=2x²-4x-3
• y=-2x²-4x+3
• y=2x²-4x-6

Tags

CCSS.HSF-IF.C.7A