Finding the Roots of Quadratic Equations

• No real solutions

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CCSS.HSA-REI.B.4B

• No real solutions

Tags

CCSS.HSA-REI.B.4B

• No real solutions

Tags

CCSS.HSA-REI.B.4B

• No real solutions

Tags

CCSS.HSA-REI.B.4B

When does a quadratic equation have no real solutions?

• When you cannot factor it

• When it begins with a negative leading coefficient

• When there is a square root of a negative number

• When it only has two terms

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CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Check all of the following situations where you could use the Quadratic Formula to solve an equation.

• When its highest exponent (degree) is 1

• When its highest exponent (degree) is 2

• When its highest exponent (degree) is 3

• When you cannot factor the quadratic

Tags

CCSS.HSA-REI.B.4B

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.4B

Solve the equation using square roots.
x² = 121

• 60.5

• ± 11

• ± 12

• 11

Tags

CCSS.8.EE.A.2

What are the solutions?

• -2, 1

• 1, 2

• -1,2

• 0,-4

Use the square root property to solve the Quadratic Equation.
2(x - 4)² = 200

• ±10

• -14, 6

• -6, 14

• 100

Tags

CCSS.HSA-REI.B.4B