Algebra topic 1-2

Solving linear equations

100

what is a literal equation

An equation with more than one variable

200

7x+7=42

what is 5=x?

300

40x+20=5x+3

what is 2=x

400

Niles ran 15 miles in 5 hours and roman ran 10 miles in 5 hours. write a linear equation. use x to represent how many miles they ran

what is 15x+5=10x+5

500

9(7x+4)+32x=12(12x+8)-49x+145

what is no solution?

perpendicular lines and parallel lines

100

what is parallel?

what is slopes are the same?

200

what makes a line perpendicular?

what is slopes opposites and reciprocal?

300

when put on a coordinate plane, main street has the equation y=3x-5.Park street is parallel to main street goes through the point (-4,3). Write the equation for park street in slope intersect form. 

what is y=3x+15

400

 write an equation in slope-intersect form with (6,2); y=-1/3x-6

what is y=3x+2

500

write an equation to this parallel equation in slope-intersect form (5,30);9x+3y=18

what is y=3x+2

Solving multistep equations

100

7x+5x

what is 12x?

200

3x+8x=2x+18

what is x=2?

300

A cell phone company charges 30$ per month plus $0.7 per minute. If  Mr. T's January cell phone bill was $59.40, how many minutes did he talk? Use x to represent how many minutes he talked

what is x=2

400

10(x+3)=20(x+1)

what is x=1

500

40(3x+2)-40=20(4x+4)+45

what is x=2?

solving compound inequalities

100

what is x>-3 and x<2 and graph

 what is -3<x<2?

200

all real numbers that are greater than -1 and less than 4

-1<x<4

300

7<x+5<23

2<x<18

400

7<4x+3<23

1<x<5

500

40<10x+20<60  or  20<5x+5<40

what is 2<x<4 or 5<x<7?

Slope

100

(-3,4) and (2,6)

 what is 2/5?

200

one day Lukas sold 10 lemonade in 2 hours and the next day 20 lemonade in 1 hour. use x to represent the lemonades Lukas sold. use y to represent how much hours it took him.

 what is (10,2) and (20,1)?

300

(-2,7) and (-2,-1)

what is no slope?

400

suppose that the water level of a river is 34 feet and that it is receding at a rate if 1/2 foot per day. Writer an equation for the water level, y, after x days. In how many days will the water level be 26 feet?

What is x=16?

500

is y=4x+5 and 4x-y=3 parallel or perpendicular

what is parallel?