MAT 0020 Practice for Test 8Graph by plotting points. Plot at least three points for the graph.

1) y = 2x + 2

A) B)

C) D)

2) y =34

x - 3

A) B)

C) D)

1

3) y = -12

x - 3

A) B)

C) D)

2

Graph using the x- and y-intercepts.

4) 8y - 2x = -4

A) x-intercept: (-2, 0), y-intercept: (0, -12) B) x-intercept: (-2, 0), y-intercept: (0, -12

)

C) x-intercept: (2, 0), y-intercept: (0, -12

) D) x-intercept: (-12, 0), y-intercept: (0, -2)

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5) -2x - 12y = 12

A) x-intercept: (-6, 0), y-intercept: (0, 1) B) x-intercept: (6, 0), y-intercept: (0, -1)

C) x-intercept: (-6, 0), y-intercept: (0, -1) D) x-intercept: (6, 0), y-intercept: (0, 1)

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6) y -12

x = 3

A) x-intercept: (-3, 0), y-intercept: (0, 3) B) x-intercept: (-6, 0), y-intercept: (0, 3)

C) x-intercept: (6, 0), y-intercept: (0, 3) D) x-intercept: (6, 0), y-intercept: (0, -6)

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7) 4x - 8y = 8

A) x-intercept: (-2, 0), y-intercept: (0, 1) B) x-intercept: (2, 0), y-intercept: (0, -1)

C) x-intercept: (-2, 0), y-intercept: (0, -1) D) x-intercept: (-1, 0), y-intercept: (0, 2)

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8) -2x - 4y = 12

A) x-intercept: (-3, 0), y-intercept: (0, -6) B) x-intercept: (3, 0), y-intercept: (0, 6)

C) x-intercept: ( -6, 0), y-intercept: (0,-3) D) x-intercept: (6, 0), y-intercept: (0, -3)

7

Graph the equation.

9) y = -2

A) B)

C) D)

8

10) x = -5

A) B)

C) D)

9

Graph the linear equation.

11) -3y = x + 2

A) B)

C) D)

10

12) -x = 8y + 1

A) B)

C) D)

Determine the slope and the y-intercept.

13) y = 8x + 1

A) Slope -8, y-intercept (0, 1) B) Slope 1, y-intercept (0, -8)

C) Slope 8, y-intercept (0, 1) D) Slope 1, y-intercept (0, 8)

14) 2x - 4y = -12

A) Slope 12

, y-intercept (0, 3) B) Slope -12

, y-intercept (0, -3)

C) Slope -2, y-intercept (0, 3) D) Slope 2, y-intercept (0, -3)

15) 3x - 4y = -8

A) Slope -43

, y-intercept (0, 2) B) Slope 43

, y-intercept (0, -2)

C) Slope -34

, y-intercept (0, -2) D) Slope 34

, y-intercept (0, 2)

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Find the y- and x-intercepts for the equation. Then graph the equation.

16) -5x - 10y = 20

A) (0, 2); (4, 0) B) (0, -2); (-4, 0)

C) (0, -2); (4, 0) D) (0, 2); (-4, 0)

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17) 6x - 4 = y

A) (0, -4); (- 23

, 0) B) (0, -4); ( 23

, 0)

C) (0, -23

); (-4, 0) D) (0, 23

); (-4, 0)

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Graph using the slope and y-intercept.

18) 2y - 14x = -6

A) B)

C) D)

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19) -8x = y - 5

A) B)

C) D)

Find the slope of the line.

20) 2x + 4y = 20

A) -12 B) 2 C) 1

2 D) - 2

21) 4x - 5y = 23

A) 54 B) -

45 C) -

54 D) 4

5

15

Graph the linear equation.

22) 3x - y = 0

A) B)

C) D)

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23) x + y = -7

A) B)

C) D)

17

24) y = x + 4

A) B)

C) D)

18

25) 2x - y = -6

A) B)

C) D)

Find the slope of the line.

26) 2x + 5y = 26

A) -25 B) 5

2 C) -52 D) 2

5

27) -5y = -2x - 24

A) 25 B) 5

2 C) -25 D) -

52

28) 2x - 5y = 16

A) -25 B) 5

2 C) -52 D) 2

5

29) 3x - 4y = -23

A) 1 13 B) -1 1

3 C) 34 D) -

34

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Solve the system by graphing.

30) 3x + y = 7 x + 2y = -1

A) (3, 2) B) (-3, -2) C) (1, 4) D) (3, -2)

31) x = -yy + x = 6

A) (1, 1) B) Infinite number of solutions

C) No solution D) (1, 5)

32) 3x + y = -8 4x + 4y = 0

A) x = -4, y = -5 B) x = 4, y = 4 C) x = -2, y = -2 D) x = -4, y = 4

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Solve the system:

33) x + y = -13x - y = 1

A) (6, -6) B) (-6, -7) C) (-7, -6) D) No solution

34) x + y = 0y = 2x - 2

A) (-1, 0) B) (0, -2) C) (-2, 0) D) (1, -1)

35) - x + 3y = 212x - 3y = 23

A) (2, 1) B) No solution C) (1, -7) D) (-1, -8)

36) y = 2x + 52x + y = -7

A) (-1, -5) B) (-1, -3) C) (-4, -3) D) (-3, -1)

37) 4 x - y = 113x + y = 17

A) (4, 5) B) (4, 6) C) No solution D) (5, 4)

38) 8x + 7y = 292x + 3y = 11

A) No solution B) (1, 3) C) (1, 4) D) (0, 4)

39) x + y = 7x + y = 6

A) No solution B) (0, 0) C) (0, 13) D) (7, 6)

40) x - 7y = 31-4x - 7y = 51

A) No solution B) (5, -4) C) (-3, -6) D) (-4, -5)

41) x + y = 23x + 3y = 6

A) (2, 3) B) (3, -1)

C) (0, 0) D) Infinite number of solutions

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42) x + 5y = 274x + 4y = 12

A) (3, 7) B) (-3, 6) C) No solution D) (-4, 7)

43) x - 4y = 78x - 3y = 56

A) (-7, -1) B) (8, 7) C) (7, 0) D) No solution

44) 5x + 3y = 80 2x + y = 30

A) {(10, 10)} B) {(0, 0)} C) {(10, 0)} D) {(0, 10)}

45) 3x - 5y = 56x - 10y = -10

A) Infinite number of solutions B) (-15, 25)

C) (15, -25) D) No solution

46) x + 7y = -23x + y = 34

A) {(3, 7)} B) {(-2, 3)} C) {(7, 12)} D) {(12, -2)}

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