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Equivalent Expressions
Equations and Inequalities
Linear Equations
Sampling and Inferences
Geometry
100

Simplify the expression:

2(x-6)+2(8)

2x+4

100

Sylvie needs $110 for a concert ticket.  She already has $16 and she earns $10 an hour.  Write an equation to represent how many hours she will need to work to make $110.

110 = 16 + 10h

100
A taxi ride costs $4, plus an additional $3 per mile.  Write an equation in slope-intercept form.

y = 3x + 4

100

Out of 25 respondents in a survey, 10 ride the bus t school.  Out of the total population of 150, how many would be expected to ride the bus?

60

100

What are two cross sections of a pyramid?

rectangle and triangle

200

Joseph has $60 in a savings account.  Each week he deposits $12 in the account.  Write an expression to represent the total amount in the account after x weeks.

60+12x

200

On a road trip, a family drives 350 miles per day.  How many days, d, must they travel to reach a distance of more than 1,400 miles?

350d > 1,400

d>4

200

What is the slope and y-intercept of the following equation;

y= -2.5x - 2

Slope: -2.5

Y-intercept: -2

200

Abby surveys every 25th student from an alphabetized list.  Is this a random sample?

Yes!

200

A drawing of a triangle has a base of 6 inches and a height of 8 inches.  The drawing is at a scale of 2in = 9ft.  What are the actual base and height of the triangle?

27ft and 36 ft

300

Factor the expression:

30b-6c

6(5b-c)

300

How do you graph the inequality x > 12 on  number line?

Put an open circle on 12 and draw a solid arrow to the right (greater numbers)

300

What is a solution to the equation:

-2.5(x - 4) = -3x + 4

X = -12

300

What are two measures of center?

Mean and median 

300
The measure of two supplementary angles are (4x+15) and 45.  What is the value of X?

X=30

400
During a walkathon, Team A walks a total of 6x+12 miles and Team B walks a total of 4x-7 miles.  What is the difference between the two teams?

2x+19

400

Solve the equation 4.25x+7=53.75.

X=11

400

How many solutions does the equation have:

3(4x-1) = 8x-2

Infinitely many

400

What is the mean of the following data set?

4.9, 4.7, 5, 4.6, 4.8

4.8

400

What is the volume of a rectangular prism with side lengths of 6in, 5in, and 2in?

60in3

500

There are 10x-8 customers in a store on Monday and 6x+16 customers on Tuesday.  What is the total number of customers for the two days?

16x+8

500

Solve the inequality:

16x - 33x < 37x + 27

X  > -0.5

500

How would you graph the equation y=2x + 4?

Start at the y-intercept of 4.  Then use the slope (2) to go up 2, right 1.

500
The median growth of plants in group A are 6 inches.  The median growth for plants in group B are 7 inches.  What inference can be made about the plants?

Group B plants grow better than group A plants

500

What is the circumference and area of a circle with a diameter of 4in? Use 3.14 for pi.

C=12.56in

A=12.46in2