Mid Term Review
Linear Graphs
Percent, Ratio, & Rate
Graphs and Tables
Scatter Plots
Statistics
Functions
100

What is the slope of a line that is perpendicular to 

y=2x+1

-1/2

100

What is the equation a line in slope intercept form? 

y = mx + b

100

If an object takes 10 minutes to go 3 miles, how fast is the object going in mph?

18 mph

100

Which letter represents the total number of soccer players that use steroids?


F

100

What kind of correlation is shown in the following scatter plot? 

Negative Linear Correlation
100

The average (arithmetic mean) of m, n and p is 8. If m + n = 15 then p equals:

9

100

If  f(x)=(x^3-2x^2+3x+1)/x  what is f(-1)?

5

200

Simplify the following: 

x2(x3)=

x8

200

Line J has a y-intercept of 6 and passes through the point (a, b). Find the slope of line J. 

(b-6)/a

200

A mile is 5280 feet

Susan is able to walk a fast pace of 4 miles per hour.  How many feet will she walk in 40 minutes?

14080

200

Kevin is selling cups of lemonade to raise money to buy a bike. If he sells each cup for $0.50, what is the maximum amount of money he made on a single day this week?



$11

200

The given scatterplot shows cricket chirp counts at 16 temperatures. Based on the line of best fit, approximately how many chirp counts would there at 32 degrees Celsius?

85

200

A class has test results of 98, 86, 72, 88, and 92. What score does Angie have to get on the test in order to make the average a 85?

74

200

If f(x) = x2 - x

Find f(9) - f(7) 

30

300

Subtract the complex conjugate from: 

 3/2+1/4i 

1/2i

300

Line A is represented by y = 3x - 4. Find the equation of a line perpendicular to line A and goes through the point (1, 2). 

y=-1/3x+7/3

300

Two cars were traveling 630 miles. Car A traveled an average speed of 70 miles per hour. If car B traveled 90 miles an hour, how many miles had car A traveled when car B arrived at the destination?

490

300

What was Kevins percent increase in sales from Tuesday to Thursday? 


about 144%

300

Given this scatter plot what kind of correlation does it show? 

Parabolic Correlation 

300

The average for 24 students on a test is 81%. Two more students take the test, averaging 74% between the two of them. What is the total class average (to the closest hundreth) if these two students are added to the 24?

80.46%

300

If f(x) = x2 - 1 What is f(f(3))

63

400

Solve the following for x: 

64x2 + 24x - 10 = 0

x = 1/4

400

In the coordinate plane, Line A has a slope of -1 and an x-intercept of 1. Line B has a slope of 2 and a y-intercept of -2. If the two lines intersect at the point (a,b), what is the sum a+b?

1

400

Mary can make 20 snowballs in an hour. Mark can make 15 snowballs in 30 minutes. If they work together, how long will it take them to make 150 snowballs?

3 hours

400

The graph above displays the charge “C” in dollars of riding a taxi for “M” miles. 

According to the graph, what does the C-intercept represent?

Initial fee of the taxi. 

400

The equation of the line of best fit is  y = 0.961x + 40 What is the predicted y value if the volume of caster oil is 10 cm3?

49.61

400

If x is the average (arithmetic mean) of r and 11, y is the average of 3r and 19, and z is the average of 5r and 20, what is the average of x, y, and z in terms of r?

 3/2 r + 8

400

If  f(x)=x/(1-x) for what value of x does f(x) =  2/3 

2/5

500

Give the equation for the line of symmetry of the parabola with the equation.                f(x) = 3x^2-9x+16 

x=3/2

500

What is the area of the triangle formed by the lines

 y=-2x-2, y=-1/2x+8, and y=0 

45

500

Ruby drives to her grandmother's house and back. On the way there, she travels at an average speed of 40 miles per hour. On the way back, she travels at an average speed of 60 miles per hour. What is Ruby's average speed for the entire round trip?

48

500

Of the freshmen who have declared a major, approximately what percent have chosen a major in the sciences?

52%

500

The given scatterplot shows house prices per square foot. If f represents the number of square feet and p represents the house price in dollars, write an equation of the line of best fit. Use the points (1,000, 160) and (2,500, 400). 

y=0.16x

500

A, B, C, D, and E are integers such that A < B < C < D < E. If B is the average of A and C, and D is the average of C and E, what is the average of B and D?

(A+2C+E)/4

500

The function f(t) is defined as  f(t)=(t-4)^2(t-7) if  f(x+2)= 0 what are the two possible values of x? 

2 or 5