SOLVE QUADRATIC EQUATIONS

ax²+bx+c=0  is the standard form of a quadratic equation.

• True
• False

Tags

CCSS.HSA.CED.A.1

CCSS.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.HSA.REI.A.1

CCSS.HSA.REI.B.4

12. Solve using any method.

(x - 2 )² -49 = 0

• 5, 9

• ^{-9, -5}

• 9, -5

• ^{9, -9}

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

Solve the quadratic: n² - 5 = -4

• n = ±√9

• n = ±3

• n = ±1

• No real solution

Tags

CCSS.HSA.REI.B.4

Determine the values of

a, b, and c for

the quadratic equation:

4k² = 3 + 8k

• a = 4, b = -8, c = 3

• a = 4, b =-8, c =-3

• a = 4, b = 8, c = 3

• a = 4, b = 8, c = -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve the following quadratic equation...

x² + 3x + 2 = 0

• x = -1

  x = -2

• x = 1

  x = 2

• x = -1

  x = 2

• x = 1

  x = -2

Tags

CCSS.HSA.REI.B.4

What are the solutions for 2(r−7)² = 32 ?

• 7±√32

• ±√65

• 3 and 11

• -1 and 15

Tags

CCSS.HSA.REI.B.4

What is the degree of every Quadratic Equation?

• 1
• 2
• 3
• 4

Solve

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

• n = -7; n = 4

• n = 7; n = -9

• n = -3; n = 10

• n = -7; n = -9

Tags

CCSS.HSA-REI.B.4B

k² - 2k = 0

• k = 2 and 0

• k = -2 and 0

• k = 2

• k = 0

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4