3.1 Solving Quadratic Equations

• ±72
• ±12
• 12
• No real solution

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

• -4, 2
• -2, 4
• -16
• -4

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

• ±1.5
• 1.5
• ±1
• No real solution

Tags

CCSS.HSA.REI.B.4

If the graph of a quadratic does not intercept the x axis at any point, then it has:

• 1 Real Solution
• 2 Real Solutions
• Half a Solution
• No Real Solution

Tags

CCSS.HSA.APR.B.3

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 of this graph?

• -2 and 3

• -1/2 and -6

• -2 and -6

• 3 and -6

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

What is another name for the x-intercepts of a quadratic?

• y-intercept
• Zeros
• x-axis
• They don't have another name

Tags

CCSS.HSA.APR.B.3

What are the solutions to this function?

• x={2}

• x={2,0}

• x={-2}

• x={0,-2}

Tags

CCSS.HSA.APR.B.3

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

Solve

x² + 2x - 20 = 4

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Tags

CCSS.HSA.REI.B.4