Solve Quadratics by Quadratic Formula & Square Roots (no i)

Solve the quadratic equation.
3x² - 8x - 8 = 0

• A    {0.38, -0.88} 
• B  {0.89, -8.9}
• C . {0.13, -0.63}
• D . {3.44, -0.77}

Tags

CCSS.HSA-REI.B.4B

Solve the quadratic equation.
2p² - 2p - 55 = 5

• A .  {3.28, -2.28}
• B .  {2.5, -1.78}
• C . {6, -5}
• D . {-1, 4}

Tags

CCSS.HSA-REI.B.4B

Solve for x.  Round to the nearest hundredth if necessary.
3x² = 16x + 12

• x = -.67, 6
• x = -6, .67
• x = 3.33, 18
• x = -3.33, 18

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• No Real Solution

• 
• 
• 

Solve 2r² - 3r -5 = 0 using the quadratic formula

• x = 1/2, -2

• x = 5/2, -1

• x = 2, -1/2

• x = 1, -5/2

• No Solution

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for

y = -x² - 5x + 12

• -4.9 and -0.1

• -8.54 and 8.54

• -0.45 and 3.55

• -6.77 and 1.77

Tags

CCSS.HSA-REI.B.4B

Tags

CCSS.HSA-REI.B.4B

Solve by taking the square root:

x² = 49

• -7

• 7

• -7,7

• 49

Solve using square roots.

• ±81
• ±9
• ±3
• No real solution

Tags

CCSS.8.EE.A.2

Solve using square roots.

• √3
• ±√3
• -3
• No real solution

Tags

CCSS.8.EE.A.2