Quadratic Factor Form

Solve: x²-4x-21=0

• {-7, 3}

• {-3, 7}

• {3, 7}

• {-3,-7}

Tags

CCSS.HSA-REI.B.4B

• -4, 2
• -2, 4
• -16
• -4

Tags

CCSS.HSA-REI.B.4B

Solve for r:

• -3, 4

• 3, 4

• -4, -3

• -3

Tags

CCSS.HSA-REI.B.4B

The discriminant is

• ax²  + bx  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

Solve for x.  Round to the nearest hundredth if necessary.
3x² = 16x + 12

• x = -.67, 6

• x = -6, .67

• x = 3.33, 18

• x = -3.33, 18

Tags

CCSS.HSA-REI.B.4B

What is the vertex? y = (x + 4)² - 6

• (-4, -6)

• (4, -6)

• (-4, 6)

• (4, 6)

Which is parabola opens downward?

• y = x² - 5x - 4

• y = (x - 3)² - 8

• y = -3x + 2

• y = -x² + 2x - 7

Tags

CCSS.HSF-IF.C.7A

How do you convert y = 2x² - 5x + 10 to Intercept form?

• Factor

• Complete the Square

• (p+q)/2

• -b/2a

What are the zeros? y = (x - 3)(x + 8)

• -3 and 8

• 3 and -8

• -3 and -8

• 3 and 8

Tags

CCSS.HSF-IF.C.7C

What is the axis of symmetry? y = (x + 9)² + 1

• x = 9

• x = -9

• x = 1

• x = -1