Warmup Find the exact value. 1. √27 2. –√121 5 2 4.

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Presentation transcript:

Warmup Find the exact value. 1. √27 2. –√121 5 2 4.

Solving Quadratics with Square Roots

Rationalize denominators of fractions Simplify 5 2 (b) (a)

You Try it!! Simplify 17 12 6 5

Solve Quadratic Equations Solve 3x2 + 5 = 41. 𝟐 𝒙 𝟐 +𝟓=𝟓 𝒙 𝟐 −𝟑𝟕

You Try It! Solve 𝟑 𝒙−𝟑 𝟐 +𝟐=𝟐𝟔

Standardized Test Practice SOLUTION 15 (z + 3)2 = 7 Write original equation. (z + 3)2 = 35 Multiply each side by 5. z + 3 = + 35 Take square roots of each side. z = – 3 + 35 Subtract 3 from each side. The solutions are – 3 + and – 3 – 35

HOMEWORK Textbook – Page 269 3,7,9 ,11, 23, 25, 29,31 To be continued…