# Slope Review Question Preview (ID: 29728)

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Given 2 points find the slope using the slope formula. (1,2) and (7, 9)
a) 7/6
b) 6/7
c) 5/8
d) -7/6

Identify the slope and y-intercept of y = -1/2 x + 7.
a) -1/2; 7
b) 1/2 ; 7
c) -1/2 ; –7
d) 1/2 ; –7

Which equation is y = 1/3x - 5 in standard form?
a) -1/3x + y = -5
b) 1/3x - y = 5
c) x - 3y = 15
d) -x + 3y = -15

Write an equation of the line that passes through the pair of points. (-5, -2), (3, -1)
a) y = 1/8x + 11/8
b) y = 1/8x - 11/8
c) y = -1/8x - 11/8
d) y = 1/8x + 8/11

Which of these is the equation of a line with y-intercept (0, 2) and slope 1/3?
a) 2y = 1/3x
b) 1/3y = 2x
c) y = 2x + 1/3
d) y = 1/3x + 2

A 1,500-gallon tank contains 200 gallons of water. Water begins to run into the tank at the rate of 75 gallons per hour. When will the tank be full but not overflowing?
a) 7 hours, 8 minutes
b) 17 hours, 20 minutes
c) 20 hours
d) 22 hours, 40 minutes

The amount charged for each large pizza (p) is based on the cost of a plain pizza plus an additional charge for each topping (t). The following equation models this relationship:
a) Number of toppings
b) Cost of a plain pizza (no toppings)
c) Additional cost for each topping
d) Cost of a pizza with one topping

Which equation is equivalent to 5 - 2(2x + 1) = 17?
a) 6x + 1 = 17
b) 6x + 3 = 17
c) -4x + 6 = 17
d) -4x + 3 = 17

What is the y-intercept of the graph 6x - 3y = 24 ?
a) -8
b) -3
c) 2
d) 24

A cleaning service charges an hourly fee plus a fixed starting price. The cost (C) in dollars to clean your house for a number of hours (h) is described by the function: C = 10h + 50. Which statement is true?
a) The cost to clean your house for 2 hours is \$60.
b) The cost to clean your house for 6 hours is \$100.
c) Each hour costs \$10 and the fixed starting price is \$50.
d) Each hour costs \$50 and the fixed starting price is \$10.

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