1 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt 10 pt 15 pt 20 pt 25 pt 5 pt FunctionsSlopeGraphs Slope- Intercept Form Point-Slope Form

2 State whether (3,4) is a solution of 5x + 2y = 23

3 Yes! 5x + 2y = 23 5(3) + 2(4) = = 23 23=23 Correct

4 List the Domain and Range for the following points. (3,5), (7,9), (8,10), (11,1)

5

6 If f(x) = 3x – 5 Find f(-2)

7 F(-2)= 3(-2) – 5 = -6-5 = -11 f(-2) = -11

8 Find the Range of the function: f(x) = 4x – 3 For Domain = {1,2,3}

9 x=1, 4(1)-3 = 1 x=2, 4(2) – 3 = 5 x= 3, 4(3) – 3 = 9 Range = {1, 5, 9}

10 If f(x) = 2x +3 and g(x) = -5x find f(-2) + g(3)

11 f(-2)= 2(-2) +3 = -1 g(3) = -5(3)= -15 f(-2) + g(3) = = -16 f(-2) + g(3) = -16

12 Find the slope of the following line

13 Slope =

14 Find the slope of the line below:

15 Slope = ¾

16 Slope is defined by the _______ change divided by the ___________ change.

17 Slope is defined by the Vertical change divided by the Horizontal change.

18 Find the slope of the line that passes through ( 4,8 ) and ( 1,3 )

19

20 Find the slope of 2x + 3y = 15

21 Slope =

22 The following graph of the graph of what equation?

23 Y = 3

24 Which graph has a negative slope A) B)

25 Choice B

26 Which line is the graph of y = -2x-1 a) b) c)

27 Choice C

28 Give the coordinates of point A

29 Question 14

30 Describe the graph of y = 4

31 Horizontal line that passes through (0, 4 )

32 The slope intercept form of a line is __________________

33 Y = mx + b

34 Write the equation of a line with slope = 2/3 and y-intercept=5

35

36 Write the equation of 2x + 5y = -5 in slope intercept format

37

38 Why are the following lines parallel? 2x – 3y =7 -2x + 3y = 9

39 Both lines have the same slope 2x-3y=7 -3y=-2x+7 y=2/3x +7 m=2/3 -2x +3y =9 3y=2x+9 y=2/3x +9 m=2/3

40 Write the equation of the line in slope –intercept form that passes through the points ( 0,7) and (1,9)

41 Y= 2x +7

42 What is the point-slope form of a line?

43

44 Write the equation of the line in point-slope format that passes through (-1,-2) and (0,3)

45 Y+2 = 5(x+1) or Y-3 = 5(x+0) Y-3 – 5x

46 Write the equation of the following line in slope-intercept format: y-10 = 2(x+3)

47 Y=2x +16

48 What is the equation of the line in point-slope format?

49 y+4= 3(x-1) or y-1 = 3(x-0)

50 Write the equation of the given line in point slope format:

51 Possible answers: y-3=-2(x-0) y-1=-2(x-1) (slope will be -2 and the point will be any point on the line)