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

If the discriminant is negative, how many solutions and of what type?

• 1 real solution
• 2 irrational solutions
• 2 complex solutions

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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

3x² - 15x + 18

• 3(x-2) (x-3)
• (3x-6) (x-3)
• (3x-9) (x-2)
• PRIME

Tags

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

What is the axis of symmetry of
y=x² - 4x +9

• x=-2
• x=2
• y=2
• y=-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

 $y=x^2-3x$  Identify the function family.

• Linear

• Exponential

• Quadratic

• Constant

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

What are the factors of n² + 4n − 12

• (n - 6)(n + 2)

• (n + 4)(n - 3)

• (n + 6)(n + 2)

• (n + 6)(n - 2)

• (n - 4)(n + 3)

Tags

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

Solve by factoring:
 $x^2+10x+24=0$ 

•  $x=6\ or\ x=4$  

•  $x=\pm\sqrt{14}$  

•  $x=-6\ or\ x=-4$  

• No real solutions

Tags

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

 $\left(2x-1\right)^2=49\ \ What\ is\ one\ of\ the\ solutions\ to\ this\ equation?$  

• 7

• -7

• -4

• -3

Tags

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

Factor

 $2x^2+31x-16$  

Tags

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