Chapter 3 Review
Chapter 3 Review
1. Write an equation or inequality and solve:
a) The product of 4 and m increased by 4 is greater than 44.
b) 6 times a number less than 8 is 72.
2. Multiply (y – 6)(y + 3)
3. Graph 2<x
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6
4. a) Add 3x2 + 9x – 5 and 7x2 – 12 x – 6
b) Subtract the terms from part a.
5. Simplify 3a5(6a4 – 2a3b)
6. Find the quotient of (8m4 + 12m3 + 2m) and 2m
7. Solve 7x – 8 = 10 + 4x
8. Solve ax + n = m for x
9.Solve the following systems of equations:
5x – 2y = 10
2x + y = 31
10.Write a system of equations and solve by elimination or substitution. Remember to use let statements.
Twice one integer plus 3 times a second integer equals 9. Five times the first integer plus 4 times the second integer equals 5. What are the numbers?
11. Solve for x: 4x + 5 7
6 2
12. Solve for x: 2x – 3 x – 2
4 3
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