Unit Test — Cumulative exam Answers
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Mrs. Cho wrote the following problem on the board.Problem: Step 1: Step 2: Step 3: What should Mrs. Cho do next?
A
Find a common denominator for the two fractions.B
Divide the numerator and denominator of the first fraction by x2 and y.C
Multiply the numerators, multiply the denominators, and then simplify.D
Multiply the first fraction by the reciprocal of the second fraction.22
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Adita has two options for how to invest $1,000.Plan A: Put the $1,000 in an account that pays $100 per year.Plan B: Put the $1,000 in an account that pays 5 percent interest per year.Which statement is true?
A
Plan A will be worth more than plan B after two years.B
Plan A will be worth the same amount as plan B after one year.C
Plan B will be worth more than plan A after three years.D
Plan B will be worth more than plan A after four years.23
The formula relates the time, T, in seconds for a pendulum with the length, L, in feet, to make one full swing back and forth. What is the length of a pendulum that makes one full swing in 2.2 seconds? Use 3.14 for .
A
2 feetB
4 feetC
11 feetD
19 feet24
Which solution to the equation is extraneous?
A
a = –2B
a = –2 and a = 4C
neither a = –2 nor a = 4D
a = 425
Which type of function is represented by the table of values below?xy14216364425651,024
A
exponentialB
linearC
quadraticD
square rootDid you find these answers helpful?
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