Remediation: Linear expressions, equations, and inequalities

What does  $2x-4>-10\$  mean?

• the difference of twice a number and 4 is greater than -10

• the difference of twice a number and 4 is less than -10

• the sum of twice a number and 4 is greater than -10

• the sum of twice a number and 4 is less than -10

What does 5-3x=16 mean?

• the sum of 5 and triple a number is about 16

• the difference of 5 and triple a number is about 16

• the sum of 5 and triple a number is 16

• the difference of 5 and triple a number is 16

what does  $\frac{x}{3}=-12$  

• triple a number is -12

• a third of a number is -12

• the difference of a number and 3 is -12

Solve:  $-3x-10=-23$  

• x=2

• x=-1

• x=1

• x=-2

Chris has $10 in a store. He wants to buy p packs of pencils and a binder for school. Which inequality describes this situation if each pencil pack is $2.45 and the binder is $2.00?

• $10<2.45p+2$

• $10>2.45p+2$

• $10>2p+2.45$

• $10<2p+2.45$

solve  $\frac{x}{3}-1=2$  

• x=10

• x=1/3

• x=9

• x=3

solve  $-5+x=-18$  

• x=23

• x=13

• x=-23

• x=-13

Jane has $5.64 more than twice the amount that Daisha has. Which represents this situation?

• $2x+5.64$

• $5.64x+2$

• $\frac{5.64}{2}x$

• $5.64\times\frac{2}{x}$

What does an equal sign (=) mean?

• two things are similar

• the answer comes next

• that two things have the same value

• it depends on the context

which is the greater than sign?

• $\le$

• $\ge$

• <

• >