Quadratics Quiz

Factor
x² + 9x - 36

• (x + 12)(x - 3)

• (x + 9)(x - 4)

• (x - 12)(x + 3)

• (x - 9)(x - 4)

Factor: x² + 2x – 3

• (x - 2)(x + 1)

• (x + 1)(x - 3)

• (x + 2)(x - 1)

• (x - 1)(x + 3)

Factor: 25x² - 9

• (5x + 3)(5x - 3)

• (x + 5)(x - 3)

• (x - 3)(x + 5)

• (5x + 3)(3x + 5)

What are the factors of 3x²-17x+10

• (x-5)(3x-2)

• (x+5)(3x+2)

• (3x-5)(x-2)

• (x+5)(3x-2)

Find the factors of 4x²-16x-9

• (2x-9)(2x+1)

• (2x+9)(2x-1)

• (4x-1)(x+9)

• (x+1)(4x-9)

What does the discriminant tell us?

• The maximum or minimum

• The y-intercept

• The number and type of solutions

• The axis of symmetry

In the equation y = x² +5x +7 match each number with its correct letter.

• a=0, b=5, c=7

• a=1, b=5, c=7

• a=7, b=5, c=1

Identify the 'b' value: y = 16x² -8x -24

• 16

• -8

• 8

• -24

For the function below, is the discriminant positive, negative, or zero?

y = x² + 4x + 4

• Positive (2 x-intercepts)

• Negative (0 x-intercepts)

• Zero (1 x-intercept)

Find the y-intercept of f(x) = 2x² - 2x + 1

• 2

• -2

• 1

• -1