Algebra I 2nd Semester Review answers_2010 - Copy

Algebra I 2nd Semester Review answers_2010 - Copy - Algebra...

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Algebra I 2 nd Semester Review Name _______________ Chapter 6 _______ 1. Which of the following is the slope of 2 4 3 + = x y ? A. x 4 3 B. 4 3 C. (0 , 2) D. 2 _______ 2. What are the x and y intercepts of 12 2 4 = - y x ? A. x = 4 & y = 2 B. x = 2 & y = 4 C. x = 3 & y = -6 D. x = 3 & y = 6 _______ 3. Write the equation of the line that passes through the point (-1, 5) and has slope 2 (in point slope form.) A. y = 2x + 7 B. y + 5 = 2(x - 1) C. y – 5 = 2(x + 1) D. y = 2x + 5 _______ 4. Write the equation of the line that passes through the point (-4, -6) and has slope ½ (in slope- intercept form.) A. 4 2 1 - = x y B. ) 4 ( 2 1 6 + = + x y C. 2 2 1 + = x y D. 2 2 1 - = x y _______ 5. What is the x -intercept of 2 4 3 + = x y ? A. 4 3 B. 3 8 - C. -2 D. 2 _______ 6. What is the slope of the line shown below: A. 3 4 B. 4 3 C. 2 1 - _____ 7. Find the slope of the line that passes through the points (5, -4) and (5, 4) A. 0 B. 8 C. 10 D. Undefined
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Chapter 7 ________ 8. Which ordered pair is the solution of the system of linear equations whose graph is shown? A. (0, 4) B. ( 2 1 , 0) C. (5, 4) D. (7, 4) E. (4, 7) _______ 9. Which ordered pair is a solution of the linear system x + 2y = - 8 and – 4x + y = 5? A. (2, -3) B. (-2, -3) C. (- 3, - 2) D. (0, 0) E. (- 1, 0) _______ 10. Which ordered pair is a solution of the linear system -x + 4y = 3 and 2x - 3y = 0? A. 5 6 , 5 9 B. 5 2 , 5 3 C. - - 5 6 , 5 9 D. 5 9 , 5 6 E. 5 3 , 5 2 _______ 11. The sum of two numbers is – 5, and the difference of the two numbers is – 17. What are the numbers? A. -11 and -6 B. -12 and 5 C. 12 and -5 D. -11 and 6 E. 11 and -6 _______ 12. You want to open a checking account at your local bank which offers two options. A standard checking account charges $6 each month plus $.25 for each check written. A select checking account charges $4.50 each month plus $.50 for each check written. Which system of equations can be used to determine the number of checks that must be written in a month in order for the total charges y for the two checking accounts to be the same? A. y = -.25x + 6 B. y = .25x C. y = .25x + 6 y = -.50x – 4.50 y = .50x y = .50x + 4.50 D. y = 6x + .25 E. y = .25x – 6 y = 4.50 x + .50 y = .50x – 4.50 _______ 13. Which ordered pair is a solution of the linear system 4x – 2y = 3 and 4x – 7y = 8? A.
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Algebra I 2nd Semester Review answers_2010 - Copy - Algebra...

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