Mixed Quadratics Review

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Tags

CCSS.HSA-REI.B.4B

What is the equation that matches the graph?

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

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

• (3,2)

• (-3,-2)

• (-3,2)

• (3,-2)

Which of the following is the correct equation for the given graph?

• f(x) = (x - 2)² - 1

• f(x) = (x + 2)² - 1

• f(x) = -(x + 2)² - 1

• f(x) = -(x - 2)² - 1

Tags

CCSS.HSF-IF.C.7A

Determine the vertex of the parabola:
y = 5x² - 20x + 13

• (5, -7)

• (-2, -7)

• (2, -7)

• (-7, -2)

What steps transform the graph y = x² to y = 2(x+2)² - 5?

• compress by 2, shifted 2 units left and 5 down

• Stretch by 5, shifted 5 units left and 2 down

• Stretch by 2, shifted 2 units left and 5 down

• compress by 5, shifted 2 units left and 2 down

Find the Axis of Symmetry: y= -2x² + 8x -5

• x = -3

• x= 2

• x =4

• x = -2

Convert to Standard Form: f(x) = (x+7)(x-3)

• f(x) = x² +10x +21

• f(x) = x² -10x -21

• f(x) = x² +4x -21

• f(x) = x² +4x +21

Tags

CCSS.HSA.APR.A.1

Convert to Factored Form:

f(x) = x²+3x-18

• f(x)=(x-6)(x+3)

• f(x)=(x+6)(x+3)

• f(x)=(x+6)(x-3)

• f(x)=(x-6)(x-3)

Solve
x² + 9x + 20 = 0

• x = -2, x = -10

• x = -3, x = -4

• x = -4, x = -5

• x = -4, x = -6

Tags

CCSS.HSA-REI.B.4B