Solve, using the substitution method, and check.
A. (8.4, 2.8)
B. (-4.2, -1.4)
C. (-4.8, -1.6)
D. (-8.4, -1.4)
E. (2.4, 0.8)
Answer: B
Mathematics
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Solve the absolute value equation.|8x| + 6 = 10
A. {4, -4}
B. {2, - 2}
C. {
, - 
}
D. ?
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Solve. If necessary, round percents to the nearest tenth and all other answers to the nearest whole.An inspector found 12 defective batteries during an inspection. If this is 0.06% of the total number of batteries inspected, how many batteries were inspected?
A. 200 batteries B. 1200 batteries C. 2000 batteries D. 20,000 batteries
Mathematics
Solve.8x(x - 2) - 20 = 5x(x - 4)
A. - 
, 2
B. - 
, -2
C. 
, -2
D. -10, 2
Mathematics
Find the indicated output.f(x) = 8x - 1; find f(10).
A. 80 B. -79 C. 9 D. 79
Mathematics