Use the rational zero test to find all the rational zeros of f(x).f(x) = 5x4 + 4x3 - 81x2 - 64x + 16
A. Zeros: -4, 4, -1, 1/5
B. Zeros: 4, -4, 1, -1
C. Zeros: 4, -4, 1, -1/5
D. Zeros: -4, 5, -1, 1/5
Answer: A
Mathematics
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A. 8 B. 6 C. 4 D. 2 E. 14
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Solve the problem.A chemist needs 50 milliliters of a 61% solution but has only 53% and 73% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
A. 20 mL of 53%; 30 mL of 73% B. 30 mL of 53%; 20 mL of 73% C. 40 mL of 53%; 10 mL of 73% D. 10 mL of 53%; 40 mL of 73%
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Find the y-intercept.9x - 4y = 7
A. 7
B. 
C. - 
D. 0
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