ALGEBRA 1 Midterm Review

EXPRESSIONS, EQUATIONS, AND FUNCTIONS

100

4(6n+7) when n=6

What is 172.

200

3 times the difference of a number m and 15 is equal to 30 (as an expression)

What is 3(m-15)=30.

300

x=8 a solution for 2x+10<4x-7

What is no 26<25 does not work!

400

You buy apples at $2 per pound and oranges at $3.50 per pound. What is an expression for the total cost of fruit purchased? Also, what is the total cost of 7 apples and 4 oranges?

What is 2x+3.50y=c ; 28

500

A rectangular banner is 16 feet long and has an area of 80 square feet. What is the perimeter of the banner?

What is 42 feet.

REAL NUMBERS

100

11-square root of x where x=64

What is 3.

200

Simplify: -7(x-13)

What is -7x+91.

300

-16-(-25.2).

What is 9.2.

400

An elevator moves at a rate of -5.8 feet per second from a height of 500 feet above ground. It takes 6 seconds for the elevator to make its first stop. How many feet about the ground is the elevator now?

What is 465.2 feet.

500

True or False: If a number is positive, then its opposite is negative.

What is True.

LINEAR EQUATIONS

100

Identify the slope and y-intercept: 6x+3y=18

What is m=-2;b=6

200

X-intercept and Y-intercept: -2x+5y=-20

What is x-intercept=10; y-intercept=-4

300

Solve for x: 16x-4=4(2x-3)

What is x=-1.

400

Solve proportion: b/8=9/4

What is b=18.

500

solve for y: 5/3y+4 = 10/6y+8

What is y = 3

WRITING, SOLVING AND GRAPHING LINEAR EQUATIONS

100

Equation of the line that passes through the point (-2,9) and has slope -2.

What is y=2x+5

200

Equation in standard form of the line that passes through the two given points: (3,9) (1,1).

What is -4x+y=-3.

300

Equation of the line that passes through the given point and is perpendicular to the given line: (3,-3), y=x+5

What is y=-x.

400

Equation of a line that passes through the point (-5,1) and is parallel to the line Y=-3x-4.  

What is y=-3x-14

500

Equation of line in slope intercept form that passes through the point (3, 7) and is parallel to the line 4x + 3y = 5.

y = -(4/3)x + 11

Absolute Value & Inequalities

100

|w| = 21

What is w ={-21, 21}

200

|8m - 8|=40

m = {-4, 6}

300

5(x + 8) - 7 > 23

 x > -2

400

-24 < 2x - 10 < -6

-7 < x < 2

500

4|x - 8| +1 > 5

x < 7 OR x > 9