Solving Quadratics Using Square

Solve by factoring
(x - 2 )² = 49

• -5, 9

• ^{7, -7}

• 9, -5

• ^{9, -9}

Tags

CCSS.8.EE.A.2

Solve by taking square roots:
5b² - 4 = 41

• b = 9, b = -9

• b = 3, b = -3

• b = 8, b = -8

• no solution

Tags

CCSS.HSA-REI.B.4B

Solve by taking square roots:
k² - 6 = 43

• k = √37

• k = 37 or - 37

• k = 7, k = -7

• no solution

Tags

CCSS.HSA-REI.B.4B

Solve
4m² - 100 = 0

• m=25, -25

• m=96

• m=5, -5

• m=-96

Tags

CCSS.8.EE.A.2

What are the solutions?

• 0 and 8

• -2 and -4

• 3 and -1

• 2 and 4

Solve by taking square roots:
5m² + 1 = 6

• m = 0

• m = 1 or -1

• m = √7

• m = 7/5 m = -7/5

Tags

CCSS.HSA-REI.B.4B

• {49,-49}

• {8,-8}

• {7,-7}

• No Solution

Tags

CCSS.8.EE.A.2

• {12,-12}

• No Solution

• {16,-16}

• {34.06,-34.06}

Tags

CCSS.8.EE.A.2

• No Solution

• {6.63,-6.63}

• {5.92,-5.92}

• {3,-3}

Tags

CCSS.8.EE.A.2

• {7.75,-7.75}

• {26.83,-26.83}

• No Solution

• {12,-12}

Tags

CCSS.8.EE.A.2