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Linear Expressions
Test 2 Review Grade 7
| Question | Answer |
|---|---|
| 8x + 6 | Expand: 2(4x + 3) |
| -x - 5 | Expand: (¼)(-4x - 20) |
| 0.3x - 0.06 | Use the distributive property to expand the expression: 0.3(x - 0.2) |
| 5x(-y + 1) | Factor: -5xy + 5x |
| x(y + 1) | Factor: xy + x |
| 3x² | What is the GCF of 6x² - 9x²y? |
| 1.4x | Add: x + 0.4x |
| 8x³ + 18x² + 15 | Add: 2(x³ + 9x²) + 3(2x³ + 5) |
| 10x + 2 | What is the sum of (7x - 4) and (3x + 6)? |
| 10x - 2 | Subtract: 13x - (3x + 2) |
| -9.5x + 4 | Subtract: (-1.5x + 3) - 2(-0.5 + 4x) |
| 4x - 3 | What expression would be equivalent to (7x - 5) - (3x - 2)? |
| 1.024p | The population of Lynbrook is expected to increase by 2.4% next year. If p represents the current population |
| 5x + 8 | The amount of time that Rebecca spends on her homework can be represented by the expression 8x + 6. The amount of time that MaryAnn spends on her homework can be represented by the expression 3x - 2. How much more time did Rebecca spend on her homework? |
| 10x + 7 | An art class is building a sign which has a triangle in the middle. The length of the bottom of the triangle is x |
| 4x + 24 | The width of a rectangular dog pen is x feet and the length is x + 12 feet. Write and simplify an expression for the perimeter of the dog pen. |
| 5 | In the expression 5y + 9 |
| 9 | In the expression 5y + 9 |
| Inverse | Decide whether the statement is an example of the commutative |
| Commutative | Decide whether the statement is an example of the commutative |
| Distributive | Decide whether the statement is an example of the commutative |
Created by:
jheron
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