TEKS.MATH.9-12.II.B.1

What do you do to the b value to correctly complete the square?

• square it
• divide it by 2 and square the result
• divide it by 2 and take the square root of the result
• divide it by 2 only

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TEKS.MATH.9-12.II.B.1

Given f(x)= -3x+7 and g(x)=2x² - 8, find f(g(x)).

• f(g(x))= -6x²+31
• f(g(x))= -6x²+24
• f(g(x))=18x²-84x+6
• f(g(x))=9x²-42x-1

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TEKS.MATH.9-12.II.B.1

49n² - 25

• Not Factorable
• (3n + 5)(3n - 5)
• (7n + 5)(7n - 5)
• (5n + 7)(5n - 7)

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TEKS.MATH.9-12.II.B.1

Evaluate y = 4x - 1 when y = 19.

• 39
• 41
• 5
• 38

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TEKS.MATH.9-12.II.B.1

Simplify:
√3 + √27

• 4√3
• 3√3
• 2√3
• Cannot be added.

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TEKS.MATH.9-12.II.B.1

3b³(4b² + 5b - 3c)

• 12b⁵ + 15b³ - 9b³c

• 12b⁶ + 15b⁴ - 9b³c

• 12b⁵ + 15b⁴ - 9b³c

• 12b⁵ + 15b⁴ + 9b³c

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TEKS.MATH.9-12.II.B.1

Find the product.

( 6x - 7 ) ²

• 36x² - 49

• 36x² - 84x + 49

• 36x² + 49

• 36x² + 84x + 49

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TEKS.MATH.9-12.II.B.1

According to exponent rules, when we raise a power to another power we _______ the exponents.

• add

• subtract

• multiply

• divide

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TEKS.MATH.9-12.II.B.1

What should you multiply $\frac{3\sqrt{2}}{2-\sqrt{7}}$  by to rationalize the denominator?

•  $2-\sqrt{7}$  

•  $\sqrt{7}$  

•  $2+\sqrt{7}$  

•  $\sqrt{2}$  

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TEKS.MATH.9-12.II.B.1

Multiply.

 $3\sqrt{10}\cdot\sqrt{2}$  

•  $6\sqrt{5}$  

•  $3\sqrt{20}$  

• 30

•  $2\sqrt{5}$  

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TEKS.MATH.9-12.II.B.1