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

Solve by taking square roots:
k² - 6 = 43

• k = √37
• k = 37 or - 37
• k = 7, k = -7
• no solution

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

10x = 90

• x = 80
• x = 100
• x = 10
• x = 9

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

Solve  5x + 7 = -13

• x=4
• x=-4
• x=5
• x=-5

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

What is the discriminant for 5x² + x − 2 = 0

• -39

• 42

• -41

• none of these

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

Solve the linear equation.

5z + 2 = 6

• z = 8

• z = -8

• z = 4 / 5

• z = 5 / 4

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

Solve for x.

• 6
• -10
• 7
• -9

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

y varies directly with x. If y = -4 when x = -1, what is the constant of variation?

• k = 12

• k = 4

• k = 6

• k = 2

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

y < x - 2 will have what kind of line?

• dashed

• solid

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

Does the sign need to flip when solving?
-2x ≥ 22

• YES
• NO

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

Evaluate:  $9^x=8$  

• 134217728

• 43046721

• 0.946

• 1.057

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