Test 2 (PreTest) - Functions and Graphs

Test 2 (PreTest) - Functions and Graphs - PreCalculus...

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Unformatted text preview: PreCalculus PreTest 2- Functions and Graphs Name___________________________________ Date ________________ SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Graph the linear function by plotting the x- and y- intercepts. 1)- 6x- 12y- 12 = x-10-5 5 10 y 10 5-5-10 x-10-5 5 10 y 10 5-5-10 Graph the line. 2) y = 4x- 3 x-8-6-4-2 2 4 6 8 y 8 6 4 2-2-4-6-8 x-8-6-4-2 2 4 6 8 y 8 6 4 2-2-4-6-8 3) x- 4y = - 4 x-10-5 5 10 y 10 5-5-10 x-10-5 5 10 y 10 5-5-10 Determine the slope of the line from the given graph. 4) x-10-5 5 10 y 10 5-5-10 x-10-5 5 10 y 10 5-5-10 5) x-10-5 5 10 y 10 5-5-10 x-10-5 5 10 y 10 5-5-10 Graph a line that contains the given point and has the given slope. 6) (8, 8), 2 3 = m x-10 10 y 10-10 x-10 10 y 10-10 1 Find the slope of the line that goes through the pair of points. 7) (- 3, 8) and (6, 8) 8) (5,- 8) and (5, 4) 9) (- 6,- 9) and (3, 4) Use the given conditions to write an equation for the line in slope- intercept form. 10) Slope = 3 4 , passing through (5, 5) 11) Slope = 2 7 , y- intercept = 2 12) Passing through (8, 4) and (3, 7) Write an equation in slope- intercept form for the line described. 13) Passes through (2, 2) with slope- 3 4 14) Passes through (- 3,- 6) and is parallel to the line- 3x + 7y = 30 15) Passes through (5,- 7) and perpendicular to the line 8x + 9y = - 23 Use the given conditions to write an equation for the line in point- slope form. 16) Passing through (- 4,- 2) and (- 2,- 8) Find an equation of the line with the given slope that passes through the given point. Write the equation in the form Ax + By = C. 17) m = 3; (4, 9) Find an equation of the line passing through each pair of points. Write the equation in the form Ax + By = C. 18) (- 5,- 2) and (2, 10) Solve. 19) An investment is worth $3596 in 1993. By 1998 it has grown to $4511. Let y be the value of the investment in the year x, where x = represents 1993. Write a linear equation that models the value of the investment in the year x....
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This note was uploaded on 02/03/2012 for the course MATH 101 taught by Professor Lee during the Spring '11 term at International Institute for Higher Education.

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Test 2 (PreTest) - Functions and Graphs - PreCalculus...

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