Quizizz #17 - Spiral Review

What is the equation for the axis of symmetry?

• y=3
• x=3
• x=5
• x=1

What is the vertex of the quadratic function:
y = x² - 6x + 11?

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

What is the next step in solving after getting the quadratic in factored form?

(x + 2)(x - 3) = 0

• Plug in zero for x

• Multiply the binomials

• FOIL

• Set each binomial factor equal to zero

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2
• x = -3/2 and x = -2
• x = 6 and x = 7
• x = -6 and x = -7

Solve.
n² - 2n = 0

• n = 2 and 0
• n = -2 and 0
• n = 2
• n = 0

Find three consecutive integers such that the sum of the largest and 5 times the smallest is -244.

• -41, -42, -43
• -41, -43, -45
• -39, -40, -41
• 41, 42, 43

Solve for x: u = 2x - 2

Factor:x² - 25

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

• 8x³⁶/20y¹⁶

• 16x¹³/625y⁸

• 16x^9/4/625y¹

• 16x³⁶/625y¹⁶