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# Pennsylvania Algebra I Keystone Exam: Test Prep & Practice Final Exam

Free Practice Test Instructions:

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

####
Question 1
1.
Simplify

(a^2)*(a^7)*(b^3)

#### Question 2 2. What is true about negative exponents?

#### Question 3 3. Solve

#### Question 4 4. Simplify the following expression.

#### Question 5 5. Multiply, then simplify the following expressions:

#### Question 6 6. Simplify.

#### Question 7 7. Solve 5x - 1 < 9 or 2x + 3 < 5

#### Question 9 9. Which of the following is an example of an inequality?

####
Question 10
10.
x - 6.79 = 8.31

Solve for x. Estimate to the first decimal space.

#### Question 11 11. Use front end estimation to estimate the answer to 754 + 24.

#### Question 12 12. An easy and efficient method to use when estimating is what?

#### Question 13 13. What is a solution set of a linear equation in two variables?

####
Question 15
15.
Suppose we are graphing the solution set of the linear equation *y* = 2*x* + 1. The first step is to find two or more points that satisfy the equation. Find a solution point where *x* = 5.

#### Pennsylvania Algebra I Keystone Exam: Test Prep & Practice Final Free Practice Test Instructions

Choose your answer to the question and click 'Continue' to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!

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