Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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Find the slope of the line that passes through the pair of
points.
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1.
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(–3, –2), (5, 4)
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2.
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(2,
–3), (–5, 1)
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3.
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What
is the slope of the line that passes through (a, b) and (–a,
b).
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4.
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A
board is leaning against a building so that the top of the board reaches a height of 18 feet. The
bottom of the board is on the ground 4 feet away from the wall. What is the slope of the board as a
positive number?
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5.
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A
conveyor belt runs between floors of a building as pictured below. Find the slope of the belt as a
positive number.
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Write a direct variation equation that relates x and y. Assume that y varies
directly as x. Then solve.
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6.
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If
y = –15 when x = –5, find x when y = 12. a. | y =
–3x; –4 | c. | y =
3x; 4 | b. | y = 3x; 3 | d. | y = 2x; 4 | | | | |
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7.
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If
y = 5 when x = –10, find y when x = 1.
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Write an equation of the line with the given slope and
y-intercept
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8.
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slope:  , y-intercept: –3 a. | y =  x – 3 | c. | y =  x + 3 | b. | y =  x –
3 | d. | y =  x – 3 | | | | |
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9.
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slope: 0.8, y-intercept: 10 a. | y = –0.8x +
10 | c. | y =
0.8x + 10 | b. | y = 0.8x –
10 | d. | y =  x + 10 | | | | |
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Write an equation of the line that passes through each point with the given
slope.
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10.
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11.
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Write an equation of the line that passes through the pair of
points.
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12.
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13.
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a. | y =
–8x + 22 | c. | y =  x –  | b. | y =
–8x +  | d. | y =
–8x –  | | | | |
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Write the equation in slope-intercept form.
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14.
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15.
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y
– 5 =  (x – 5)
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16.
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What
is the slope of the following equation: 
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17.
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What
is the slope of the following equation: 
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18.
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What
is the y-intercept of the following equation: 
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19.
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Which
line has a zero slope?
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20.
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Which
line has a slope of -2? |