Solving Quadratics

The solutions of the quadratic equation 
x²+2x-15=0 are

• x = 3 or x = 5
• x = 5 or x = -3
• x = -5 or x = 3
• x = -3 or x = -5

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x²+12x+35=0 are

• x = -5 or x = -7
• x = 5 or x = 7
• x = -35 or x = -1
• x = -9 or x = -4

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation by factoring. x² - 9x + 20 = 0

• x = -2 or x = 10

• x = -5 or x = -4

• x = 4 or x = 5

• Not factorable

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation: $5x^2=10x$  

•  $x=-2$  

•  $x=2$  

•  $x=2$  & $x=0$  

•  $x=-2$  & $x=0$  

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation:
 $x^2=49$  

•  $x=0$  

•  $x=7$  

•  $x=-7$  

•  $x=7\ \ \ \&\ \ \ x=-7$  

Tags

CCSS.HSA-REI.B.4B

What are the solutions to this equation? (x-3)(x+2) = 0

• x = 3 or x = -2

• x = -3 or x = 2

• x = 2 or x = 3

• x = 3 or x = 2

Tags

CCSS.HSA-REI.B.4B

What type of equations always include an x²?

• Quadratic

• Linear

• Exponential

• Quartic

Solve

(n +7)(n + 9) = 0

• n = -7 or n = 4

• n = 7 or n = -9

• n = -3 or n = 10

• n = -7 or n = -9

Tags

CCSS.HSA-REI.B.4B

Solve the following quadratic equation: $x^2-6x-7=0$  

•  $x=7\ \ \ \&\ \ \ x=-1$  

•  $x=1\ \ \ \&\ \ \ x=-7$  

•  $x=0$  

•  $x=\frac{-7}{5}$  

Tags

CCSS.HSA-REI.B.4B

The solutions of the quadratic equation 
x² + 5x + 6 = 0 are

• x= -3 or x = -2
• x = -6 or x = 1
• x = 3 or x = 2
• x = -3 or x = 2

Tags

CCSS.HSA-REI.B.4B