Unit 1 Test

Sample test True/False directions. Determine if the statement is true or false. Circle the correct answer. (1 point each) 1. The set of ordered pairs {(-2,3), (2, -3), (4,2), (2, -4)} is a function. a. True b. False 2. The point-slope form of an equation is y – y1 = m (x – x1). a. True b. False 3. A linear equation in the form Ax + By = C is the standard form of a linear equation. a. True b. False For the following questions, put your answer on the line provided. (1 point each) 4. The rate of change is equal to change in distance divided by the change in _______________. 5. The slope-intercept form allows you to write an equation for a line when you can only identify the slope and ____________. 6. List the range of the set {(9, -5), (4,5), (3, -2)}. For the following questions, the answer should be placed on the line provided (Fractions should be reduced to simplest form). Use the space below the question to show your work. (1 point each) 7. Calculate slope given that the rise = -1 and the run = -7.

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8. Find the slope of a line that contains the point (9, 6) and (1,4).

9. If y varies directly as x and y is 14 when x is 2. Find x when y is 21. ____________

10. Given the two points (5, 65) and (3, 57), what is the equation using slope-intercept form? _________________________