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Topic 7.0

Last updated over 5 years ago

5 questions

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Question 1

1.

Evaluate the expression for the given values of the variables.

for a=2 and x=-1

Question 2

2.

Evaluate the expression for the given values of the variables.

for x=3, y=-1, and z=\frac{1}{2}

Question 3

3.

Simplify the expression. Then evaluate it.

for a=2 and b=-1

Question 4

4.

Evaluate the expression for the given values of the variables.

for a=-2 and b=25

Question 5

5.

A savings account increases as interest accumulates according to the formula P_y=1.04(P_{y-1}) , where P_y is the principal balance at the end of y years and P_{y-1} is the principal balance after y-1 years. After 6 years, there is a principal balance of $1600.00. How much is the principal balance after 8 years?