9/12 Inequalities Progress Check

Last updated over 1 year ago

5 questions

1

Solve for X and graph in the show your work section.

x < -3

x < 3

x > 3

x > -3

Solve for y :

y > -3

y > -7

y > -1

y < 7

Michele and Kylie each opened savings accounts on the same day, intending to save money to go on a beach trip.  Michele opened her account with $200 and added $35 per week. Kylie opened her account with $155 and $40 weekly.  In how many weeks will Kylie have more money in her account?

Write an inequality that describes the situation.__________
After how many weeks will Kylie have more money in her account? __________

Dylan is buying a Kia Sportage. He is trying to decide is it worth it to buy a Hybrid or the Standard. The Hybrid costs $27,290 with an average fuel cost of $1,392 a year. The Standard costs $25,990 with an average fuel cost of $2,148 a year. After how many years will the cost of the Hybrid be less than the Standard?

after about 1 year

after about 2 years

after about 3 years 

after about 4 years

Solve the compound inequality. __________
Which graph displays the correct set of solutions? __________

Solve for X and graph in the show your work section.

x < -3

x < 3

x > 3

x > -3

Solve for y :

y > -3

y > -7

y > -1

y < 7

Dylan is buying a Kia Sportage. He is trying to decide is it worth it to buy a Hybrid or the Standard. The Hybrid costs $27,290 with an average fuel cost of $1,392 a year. The Standard costs $25,990 with an average fuel cost of $2,148 a year. After how many years will the cost of the Hybrid be less than the Standard? 

after about 1 year

after about 2 years

after about 3 years 

after about 4 years