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

Convert x²-6x+9 to factored form and identify the solution.

• (x-3)(x-3); x=3
• (x+3)(x+3); x=-3
• (x+4)(x+2); x=-4, -2
• Not factorable

Tags

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

What is the x-intercept of the graph of y = x² – 4x + 4 ?

• -2
• -1
• 1
• 2

Tags

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

Solve by factoring.
z² - 6z - 27 = 0

• z = 3 or z = 9
• z = 3 or z = -9
• z = -3 or z = 9
• z = -3 or z = -9

Tags

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

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

• (3,2)
• (-3,-2)
• (-3,2)
• (3,-2)

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

The discriminant of a quadratic equation is -12.  How many solutions will it have?

• 2 Real Solutions
• 1 Real Solution
• No Real Solutions
• Cannot be determined

Tags

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

Find the vertex of the quadratic:
y = -2x² + 4x + 3

• (0, 3)
• (-1, 5)
• (1, 5)
• (1, -5)

Tags

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

What is the discriminant for 5x² + x − 2 = 0

• -39

• 42

• -41

• none of these

Tags

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

Where the parabola (U shape) crosses the x-axis.

• Domain

• Range

• Y-intercept

• X-intercept

Tags

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

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

• 
• 
• 

Tags

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