Algebra Core Review day 2. Unit 4: Relations Domain: Range: Inverse: Linear: Function:

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Presentation transcript:

Algebra Core Review day 2

Unit 4: Relations Domain: Range: Inverse: Linear: Function:

1. Which equation is a linear equation? A. B. C. D.

2. Choose the statement that is true. A. It is nonlinear. B. It is linear. C. It is a function. D. It has a negative correlation.

3. Determine which of these tables of data shows a nonlinear pattern. A. B. C. D.

4. Find the range of the relation: {(3, -4), (-2, 1), (-7, 8), (-2, 6), (4, 8)} A. {-4, 1, 6, 8} B. {-7,-2, 3, 4} C. {1, 3, 4, 6, 7, 8} D. {-7, -4, -2}

5. Find the domain of the relation: A. {-3, -1, 3, 4, 8} B. {-5, -3, 2, 3, 5} C. {2, 3, 4, 5, 8} D. {-5, -3, -1}

6. If, find. A. 12 B. 4 C. -17 D. -23

Unit 5: Slope Formulas for Slope:

7. Find the slope of the line. A. B. C. D.

8. Find the slope of the line through (-3, 5) and (-3, -2). A. B. C. 0 D. undefined

9. A person is paying $10 per week to a friend to repay a $100 loan. What does the slope of the line represent (as a rate of change)? A. The debt is decreasing at a rate of $10 per week. B. The debt is increasing at a rate of $10 per week. C. The original debt was $100. D. The debt will be paid off in 10 weeks.

10. In 1995, there were 12,000 students at Beacon High. In 2000, there were 12,250. What is the rate of change in the number of students per year? A. 5 B. 50 C. 125 D. 250