Quadratics Test

Just write the equation in Standard Form

• 2x² + 2x - 8

• 2x² + 6x - 8

• x² + 2x - 8

• 2x² + 4x - 16

Solve
a² + 2a - 24 = 0

• a = -6, 4
• a = 6, -4
• a = 12, -2
• a = 8, -3

Solve by factoring:  4x² + 11x - 3 = 0

• x = -3/4 and x = -1
• x = 4 and x = 3
• x = 1/4 and x = -3
• x = -1/4 and x = 3

The discriminant is

• aX²  + bX  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Solve the following equation by completing the square:
n² = 18n + 40

• {11 and -11}
• {16 and 2}
• {20 and -2}
• {10 and -4}

What is the equation for axis of symmetry?

• y=3
• x=3
• x=5
• x=1

What are the x- intercepts?

• x= 0 and x= -4
• x= 0 and x= 4
• y= 0
• x= 2

Complete the square.
x² + 6x + ____

• x² + 6x + 9
• x² + 6x - 36
• x² + 6x + 36
• x² + 6x - 9

What does i² = ?

• -1
• √-1
• 1
• -√1

Which of the follow equations is the standard 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