# Linear Functions: Question Preview (ID: 22046)

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**After determining the slope of a line that is parallel, how do I determine the y-intercept of the new equation?**

a) flip the slope and change the sign

b) use the provided point and plug it in for x and y

c) use the same y-intercept

d) do nothing

**When graphing the equation y=3/5x+2, I would plot the first point at 2 on the y-axis and**

a) go up 5 and right 3

b) go down 3 and right 5

c) go up 3 and left 5

d) go up 3 and right 5

**When graphing the equation y=2/5x - 7, I would plot the first point at:**

a) 7 on the y-axis

b) -7 on the y-axis

c) 7 on the x-axis

d) -7 on the x-axis

**If f(x)=3x-4, find f(6)**

a) 5

b) 3.3

c) 22

d) 14

**Which point represents the y-intercept? (2,0),(1,5),(0,5),(10,4)**

a) (2,0)

b) (1,5)

c) (0,5)

d) (10,4)

**Sam baking cookies for a fund raiser. She starts out with 5 pounds of flour. Every batch of cookies takes up a half pound. Which equation represents the amount of flour Sam has as she is making cookies?**

a) y=5-1/2x or y=-1/2x+5

b) y=5-2x or y=-2x+5

c) y=1/2-5x or y=-5x+1/2

d) y=-1/2+5x or y=5x-1/2

**Which point goes with the equation y= 3x-4**

a) (0, 2)

b) (1, 5)

c) (-2, -10)

d) (0,4)

**What is the y-intercept of the line y=-5x+10**

a) 10

b) -10

c) 5

d) -5

**what is the slope of a line that goes through the points (3,4) and (-3,2)**

a) 3

b) -3

c) 1/3

d) -1/3

**How would you find the slope of a line if you are given two points?**

a) Make it up

b) (y2-y1)/(x2-x1)

c) use the same slope

d) flip and change the sign

**What is the slope in the equation y= -2x+3**

a) -2

b) 3

c) -2/3

d) 3/-2

**What is a parallel slope to line y=3/4x-5**

a) -3/4

b) 4/3

c) 3/4

d) -4/3

**What is the slope of a line that is perpendicular to y=3x-7**

a) 3

b) -1/3

c) 1/3

d) -3

**what do we look for to determine if a set of data represents a function?**

a) repeats in the domain

b) repeats in the range

c) the same number appearing more than once anywhere

d) negative numbers

**Which of the following answers show a way to find slope?**

a) (y2-y1)/(x2-x1)

b) rise/run

c) (change in y)/(change in x)

d) all answers show a way to find slope

**what does the m represent in y=mx+b**

a) x-intercept

b) slope

c) y-intercept

d) a point

**what does the b represent in y=mx+b**

a) x-intercept

b) slope

c) y-intercept

d) a point

**Which data set represents a function?**

a) (2,5),(3,4),(-2,6),(1,5)

b) (2,5),(3,4),(-2,6),(2,5)

c) (-2,5),(3,4),(-2,6),(1,5)

d) (2,5),(1,4),(-2,6),(1,5)

**What two things do you need to write the equation of a line?**

a) an x and a y

b) a function and a point

c) a slope and a y-intercept

d) the x-intercept and a line

**After determining the slope for a line that is perpendicular by flipping it and changing the sign, how do I determine a new y-intercept**

a) use the same y-intercept

b) use the x-intercept

c) use the provided point and plug it in for x and y

d) pick a number from the point

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