Practice With the Quadratic Formula

Solve the following equation using the quadratic formula: 3x^2+16x+5=0

Tags

CCSS.HSA-REI.B.4B

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

• .  {3.28, -2.28}

• .  {2.5, -1.78}

• {6, -5}

• {-1, 4}

Tags

CCSS.HSA-REI.B.4B

• -6

• 1

• -40

• -1

• 6

• 40

Tags

CCSS.HSA-REI.B.4B

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

a =​ (a)   ​ ​ b =​ ​ ​ (b)   c = ​ (c)  

Given the quadratic equation 2x²-x-3,

b²  would equal _? _

• 2

• -1

• 1

• -3

Tags

CCSS.HSA-REI.B.4B

Given the quadratic equation y=2x²-x-3, b² - 4ac would equal _? _

• 25

• -23

• -25

• 0

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, you will have....

• two real solutions

• two irrational solutions

• no real solution

• one solution

Tags

CCSS.HSA-REI.B.4B

How many solutions will this quadratic equation x²+8x+16 have?

• 2 real solutions

• 2 imaginary solution

• 1 solution

• 3 solutions

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula: x² + 4x + 3 = 0

• -3

• -1

• 1

• -2

• -6

Tags

CCSS.HSA-REI.B.4B

Solve using the quadratic formula: 5x² + 9x + 4 = 0

Tags

CCSS.HSA-REI.B.4B