CCSS.Math.Content.HSA.REI.B.4

Solve the following equation by completing the square:
n² = 18n + 40

• {11, -11}
• {16, 2}
• {20, -2}
• {10, -4}

Tags

CCSS.Math.Content.HSA.REI.B.4

Factor
r² -16r + 60

• (r - 15)(r + 4)
• (r - 6)(r + 10)
• (r - 6)(r - 10)
• (r +30)(r - 2)

Tags

CCSS.Math.Content.HSA.REI.B.4

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)

Tags

CCSS.Math.Content.HSA.REI.B.4

f(x)=x²-2x+1
Evaluate the function for f(-1).

• f(-1)=4
• f(-1)=0
• f(-1)=2
• f(-1)=-1

Tags

CCSS.Math.Content.HSA.REI.B.4

What is the equation for the axis of symmetry?

• y=3
• x=3
• x=5
• x=1

Tags

CCSS.Math.Content.HSA.REI.B.4

What are the zeros for the quadratic function? 

• (-6, 0) and (14, 0)
• (-50, 0) and (14, 0)
• (-6, 0) and (-50, 0)
• (-50, 0) and (-60, 0)

Tags

CCSS.Math.Content.HSA.REI.B.4

What direction is the following equation opening?
y=-3x²-7x+8

• Up
• Down
• Left
• Right

Tags

CCSS.Math.Content.HSA.REI.B.4

-7x² +21 = 14

• 1
• -1
• NO Real Solutions
• 1, -1

Tags

CCSS.Math.Content.HSA.REI.B.4

Find the vertex of 
f(x) = -x² - 4x + 12.

• (-2, 16)
• (2, 0)
• (2, 4)
• (-2, 4)

Tags

CCSS.Math.Content.HSA.REI.B.4

What should you do first in solving this equation?
x² + 6x - 13 = 3

• Get factored form
• Write down: a=1, b=6, c=-13
• Make it equal 0 by subtracting 3 on each side
• Type it all in a calculator.

Tags

CCSS.Math.Content.HSA.REI.B.4