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

How many solutions does this graph have?

• one
• two
• no solutions
• cannot be determined

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

Solve
h² + 7h + 10 = 0

• A. h= -5, -2
• B. h= 5, 2
• C. h = -1, ^-10/₆
• D. h = ^-2/₅, -10

Tags

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

Solve by completing the square:
v² + 6v − 59 = 0

• {-5 + 5√2, -5 - 5√2}
• {5 + 5√2, 5 - 5√2}
• {-3 + 2√17, -3 - 2√17}
• {3 + 2√17, 3 - 2√17}

Tags

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

Can both the roots of quadratic equation be zero?

• Yes. Possible
• NO. Not possible

Tags

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

Solve:           (x-4)²-18 = 0

• x = 4 + 3√2
• x = 8.24, -.24
• x = 4 ± 3√2
• x = 4 ± √18

Tags

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

Use the graph to determine the solutions of the equation

0 = x² - 5x + 1

• 0 and 5

• 0.5 and 4.5

• 0.2 and 4.8

• 1 and 7

Tags

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

Solve.

• x = 5

• x = -3

• x = 3

• x = -5

Tags

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

Factor completely.

x² - 4x - 45

• ( x - 9 ) ( x - 5 )

• ( x - 9 ) ( x + 5 )

• ( x + 9 ) ( x + 5 )

• ( x + 9 ) ( x - 5 )

Tags

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

Solve  $x^2-4x+18=0$  .

•  $x=-2\pm i\sqrt{14}$  

•  $x=-2\pm\sqrt{14}$  

•  $x=2\pm i\sqrt{14}$  

•  $x=2\pm\sqrt{14}$  

Tags

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