1 and 2 step equations and inequalities

9 + k = 18

10 = t - 8

Jan's mother is 47. She is 26 years older than Janeen. Write an equation that can find Jan's age (j).

• j + 26 = 47

• 47 + 26 = j

• 47 - j = 26

Tim has to mow his lawn in under two hours. If "t" represents the time it takes to mow the lawn, how can you express this as an inequality?

• t > 2

• t < 2

• t = 2

• $t\ \ne\ 2$

Which of the following inequalities is false?

• 10 < 9

• 9 < 10

• $9\ \le\ 10$

• 10 > 9

To function safely, electrical appliances need a current of 120 volts or lower. If "v" stands for "volts," how can you express this as an inequality?

• $v\le120$

• $v\ge120$

• $v<120$

• $4>120$

What is the solution set to x if 0 < x < 6?

• 1, 2, 3, 4, 5

• 0, 1, 2, 3, 4, 5,

• 1, 2, 3, 4, 5, 6

• 0, 1, 2, 3, 4, 5, 6

What is the solution set to x if  $3\le x<5$  

• 3, 4, 5

• 3, 4

• 4

• 4, 5

Write an inequality expressing that you have to be at least 52 inches tall to ride the roller coaster.

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