Solving Quadratics by Square Roots

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What is the square root of a number?

Back

The square root of a number x is a value y such that y² = x. For example, the square root of 9 is 3, since 3² = 9.

Tags

CCSS.8.EE.A.2

Front

How do you solve a quadratic equation using square roots?

Back

Tags

CCSS.HSA-REI.B.4B

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Back

Tags

CCSS.8.EE.A.2

Front

Back

Tags

CCSS.8.EE.A.2

Front

Back

Tags

CCSS.8.EE.A.2

Front

Back

Tags

CCSS.8.EE.A.2

Front

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Front

What does it mean to simplify a square root?

Back

To simplify a square root means to express it in its simplest form, removing any perfect square factors.

Front

What is a perfect square?

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A perfect square is an integer that is the square of another integer. For example, 1, 4, 9, and 16 are perfect squares.

Tags

CCSS.8.EE.A.2

Front

What is the principle of squaring both sides in an equation?

Back

Tags

CCSS.HSA.REI.A.2