Unit 3 Mid Chapter Review Question Preview (ID: 33868)


Answer The Multiple Choice Queations. TEACHERS: click here for quick copy question ID numbers.

State the slope and the y-intercept for the graph of each equation: y = 4x + 1
a) m = 4; b= 1
b) m = 1; b= 4
c) m = -4; b= 1
d) m = -1; b= 4

State the slope and the y-intercept for the graph of each equation: y = -3x + 5
a) m = 5; b= -3
b) m = -3; b= 5
c) m = 3; b= -5
d) m = 3; b= 5

State the slope and the y-intercept for the graph of each equation: y = x - 2
a) m = 0; b= 2
b) m = 1; b= 2
c) m = 1; b= -2
d) m = 0; b= -2

Find the slope of the line that passes through the points A(–2, –4), B(2, 4)
a) 1
b) 2
c) 1/2
d) -2

Find the slope of the line that passes through the points E(3, 4), F(4, –2)
a) -1
b) 2
c) 6
d) -6

Graph 1: What is the slope of the line
a) 5/2
b) 2/5
c) -5/2
d) -2/5

Graph 2: What is the y-intercept of the line
a) 1
b) 0
c) -1
d) -2

Graph 2: What is the slope of the line
a) -1
b) 1
c) 2
d) 1/2

Graph 3: What is the slope
a) 2/5
b) 5/2
c) 2/6
d) 6/2

Table 1: Determine whether the relationship between the two quantities described in the table is linear. If so, find the constant rate of change.
a) 2/7
b) 7/2
c) -7/2
d) not linear

Table 2: Determine whether the relationship between the two quantities described in the table is linear. If so, find the constant rate of change.
a) 21.8
b) 25.2
c) -21.8
d) not linear

Graph 4: Write an equation from the graph. Simplify
a) y = 6/4x + 1
b) y = 3x + 2
c) y = 2/3x + 1
d) y = 3x - 1

Graph 5: Write an equation from the graph. Simplify
a) y = 3x - 2
b) y = 2x - 3
c) y = -3x + 2
d) y = 3x + 2

Geneva is saving for a new dress. She already has $20 saved and intends to save $7 each week. The equation for the amount of money y she has saved is y = 7x + 20, where x is the number of weeks. What do the slope and y-intercept represent?
a) y-intercept her savings each week; slope: the amount already saved
b) slope: her savings each week; y-intercept: the amount already saved
c) I don't know
d) I don't know

Homer is saving for a harmonica. He already has $15 saved and intends to save $4 each week. The equation for the amount of money y he has saved is y = 4x + 15, where x is the number of weeks. What do the slope and y-intercept represent?
a) slope: amount he saves each week; y-intercept: the amount already saved
b) y-intercept: amount he saves each week; slope: the amount already saved
c) I don't know
d) I don't know

What is the equation, in slope-intercept form, of the line that passes through (0,-4) and has a slope of 6?
a) y = 4x + 6
b) y = 4x - 6
c) y = 6x +4
d) y = 6x - 4

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