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Quiz #2 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the...

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Quiz #2 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the equation. 1) 1 7 (x + 21) - 1 8 (x - 8) = x + 7 A) - 56 5 B) - 168 55 C) - 56 11 D) - 504 55 1) 2) (x - 6) - (x + 2) = 9x A) - 7 9 B) - 4 3 C) - 2 D) - 8 9 2) Solve. 3) Rcall that two angles are supplements of each other if their sum is 180°. Angle A and angle B are supplementary angles and angle A is 10° less than four times angle B. Find the measures of angle A and angle B. A) A = 146°, B = 34° B) A = 123.3°, B = 56.7° C) A = 142°, B = 38° D) A = 152°, B = 28° 3) 4) Use the formula F = 9 5 C + 32 to write - 50° C as degrees Fahrenheit. A) - 58° F B) - 122° F C) - 45.8° F D) - 10.2° F 4) Solve the formula for the speciFed variable. 5) V = 1 3 Bh for h A) h = V 3B B) h = B 3V C) h = 3V B D) h = 3B V 5) Write the solution set using interval notation. 6) 4(5x - 1) + 34 16x - 2 A) ( - , - 8) B) [8, ) C) ( - , - 8] D) (8, ) 6) 1
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Solve the compound inequality. Graph the solution set. 7) 3x + 2 < 4x + 5 < 5x - 3 -10 -8 -6 -4 -2 0 2 4 6 8 10 -10 -8 -6 -4 -2 0 2 4 6 8 10 A) ( - 3, 8) -10 -8 -6 -4 -2 0 2 4 6 8 10 -10 -8 -6 -4 -2 0 2 4 6 8 10 B) ( - 3, ) -10 -8 -6 -4 -2 0 2 4 6 8 10 -10 -8 -6 -4 -2 0 2 4 6 8 10 C) ( - 3, 8) -10 -8 -6 -4 -2 0 2 4 6 8 10 -10 -8 -6 -4 -2 0 2 4 6 8 10 D) (8, ) -10 -8 -6 -4 -2 0 2 4 6 8 10 -10 -8 -6 -4 -2 0 2 4 6 8 10 7) 2
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equation.doc

1)
Given that 1
1
( x + 21) − ( x − 8) = x + 7
7
8 Opening the brackets we get 1
1
1
1
× x + × 21 − × x + × 8 = x + 7
7
7
8
8
1
1
1
1
× x + × 21 − × x + × 8 = x + 7
7
7
8
8
xx
−...

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