Math Quadratic

What is the name of the imaginary line that cuts a parabola in half and goes through the vertex?

• the middle

• axis of symmetry

• minimum

• standard form

Tags

CCSS.HSF-IF.C.7A

Find the minimum point of the graph x² + 12x + 4

• ( -12 , -32 ) 

• ( -6 , -32 ) 

• ( -6 , 32 ) 

• ( 12 , -14 ) 

Solve
8n² + 10n - 3 = 0

• n = ^-1/₈, ¹⁰/₃

• n = ⁴/₅, - 2

• n = ¹/₄, ^-3/₂

• n = 2, -12

Tags

CCSS.HSA-REI.B.4B

8r²-24r=0

• r=0 and r=3

• r=8 and r=3

• r=0 and r=-3

• r=1 and r=3

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.
6x² - 17x + 13 = 20x² - 32

• x = 5/3 or x = 9/2

• x = -5/2 or x = 9/7

• x = -5/2 or x = -9/7

• x = -5/3 or x = 9/2

Tags

CCSS.HSA-REI.B.4B

Solve by factoring.
-4z² - 8z - 4 = 0

• -1

• 1

• 0

• -3/2

Tags

CCSS.HSA-REI.B.4B

Solve.  7m² - 12m + 5 = 0

• x = 5/7 and x = 1

• x = 8/3 and x = 2

• x = 8/3 and x = -1/2

• x = -2/3 and x = -5

Tags

CCSS.HSA-REI.B.4B

Factor completely 
2c² + 4c - 70

• (c-5)(2c+14)

• (c+7)(2x-10)

• (c-4)(2c+5)

• 2(c+7)(c-5)

Solve by factoring.
15 = 8x² - 14x

• x = -5 or x = 3/8

• x = -2/5 or x = 4/3

• x = -3 or x = 5/8

• x = -3/4 or x = 5/2

Tags

CCSS.HSA-REI.B.4B

Solve using Zero-Product Property.
(x-7)(9x+6) = 0

• x = -7 or x = 2/3

• x = 7 or x = 2/3

• x = -7 or x = -2/3

• x = 7 or x = -2/3

Tags

CCSS.HSA-REI.B.4B