Evaluate the discriminant for the equation. Then use it to predict the number of distinct solutions, and whether they are rational, irrational, or nonreal complex.4 + 7z2 = 8z

A. Two distinct irrational solutions
B. Two distinct rational solutions
C. Two distinct nonreal complex solutions
D. One rational solution (a double solution)


Answer: C

Mathematics

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Divide and check your answer.9461 ÷ 65

A. 145 R36 B. 145 C. 148 R57 D. 148 R5

Mathematics

Write the Babylonian numeral for the given Hindu-Arabic numeral.86,530

A.

B.

C.

D.

Mathematics

Use the information given in the table to solve the problem.The table gives the Consumer Price Index for selected years.What is the percent change (to the nearest tenth of a percent) in prices from 1965 to 1980?

A. 104.4 % B. 100.9 % C. 202.5 % D. 102.1 %

Mathematics

Tell whether a linear model or a quadratic model is appropriate for the data. If a quadratic model is appropriate, then decide also whether the lead coefficient should be positive or negative.The amount of water in a pool as it is being filled, as a function of time.

A. Quadratic; leading coefficient negative B. Quadratic; leading coefficient positive C. Linear

Mathematics