Topic 3-5
19. 5p2q-7q if p = -4 and q = -2
What is -146?
30. Solve for w: 19-2(3w-5)=15
What is w=7/3?
52. If f(x)= -2x+7, find f(8)
What is -9?
60. What is the slope of the graph?
What is m=3/2?
89. If x and y vary directly, find x:
{(x, 12), (35, 60)}
What is x=7?
23. "The sum of twice a number and 9 is -25."
What is 2n+9= -25?
31. Solve for y: 8(2y+5)=12y-(2y+14)
What is y= -9?
56. Find the zero of the function below:
f(x)=4x+12
What is x= -3?
66. What is the slope of the line that passes through these two points (-6, 10) and (2, -6)?
What is m= -2?
77. Write the linear equation given the following point and slope:
(-2, 9); slope = -4
What is y= -4x+1?
26. "Fifteen subtracted from the product of a number and -4 is at most 32."
What is -4n-15 less than or equal to 32?
What is a>-5?
54. Find the range of the function f(x)=x2-6x if the domain is {-7, -2, 1}
What is R={-5, 16, 91}?
67. Identify the slope and y-intercept of the equation:
2x+2y= -10
What is m= -1 and b= -5?
79. Write a linear equation in slope-intercept form given the following two points:
(-3, 7) and (6, -8)
What is y= -5/3x+2?
35. Solve C=2(pi)r for r.
What is r=C/2(pi)?
32. Solve for p: 6-4(3p-2)=6(1-2p)-1
What is p=no solution?
48. Given the table find the domain, range, and determine if it is a function.
x, y
-1, -4
2, -2
7, 9
-1, -3
What is D={-1, 2, 7}, R={-4, -3, -2, 9}, and no this is not a function?
70. Identify the x- and y-intercepts of the equation:
6x+15y=60
What is x=10 and y=4?
What is (10, 0) and (0, 4)?
83. Write the equation of the line that is parallel to the line x + y = 2 and passes through the point (-7, 4).
What is y= -x - 3?
38. Solve M = 1/2(x1+x2) for x1.
What is x1=2M-x2?
41. Solve for m:
-2(4m+9) greater than or equal to 6-14m
What is m is greater than or equal to 4?
51. Given the diamond on the graph what is the domain, range, and determine if it is a function.
What is D=0 which is less than or equal to x which is less than or equal to 5?
What is R= -2 which is less than or equal to y which is less than or equal to 3?
What is No this is not a function?
75. Which answer choice shows the standard form of the line that is graphed?
What is answer choice C?
84. Write the equation of the line that is perpendicular to the line y=3x - 4 and passes through the point (-6, 1).
What is y= -1/3x - 1?