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Mathematics
7th -
9thgrade
Writing linear equations from word problems
14 questions
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- 1. Multiple ChoiceBennett and his friends decide to go bowling. The cost for the group is $15 for shoe rentals plus $4.00 per game. Which amount is constant (which amount won't change if you play 0 or 100 games)?Shoe rentalMoney spent playing games
- 2. Multiple ChoiceThe Ace Cell Co. charges a flat monthly fee of $22.00 for a cell line and $0.20 per gig of data. Which amount will change (which amount will have a different cost if you use 0 or 100 gigs)?Monthly feePer gig charge
- 3. Multiple ChoiceA pizza company charges a base of $4 for a pizza and $0.50 per additional topping. What value is the slope (which value changes)?Base pizza costPer topping cost
- 4. Multiple ChoiceAmazon prime charges $8.99 a month and an additional $4.99 to rent a new release. What value represents the y-intercept (the money you will always pay)?Monthly feeNew release fee
- 5. Multiple ChoiceGet Fit Fitness Club charges $10 a month and $1.50 per class. Identify the slope (what changes) and the y-intercept (what stays the same).m = 10, b = 1.5m = 1.5, b = 10
- 6. Multiple ChoiceA slope is 4 and the y intercept is 9. What is the equation representing the line in slope intercept form?y = 4x + 9y = 9x + 4x = 4y + 9x = 4 + 9y
- 7. Multiple Choice1. A plant is 5cm tall and growing at a rate of 3cm a month. Identify the slope and y intercept.m = 5, b = 3m = 3, b = 5
- 8. Multiple Choice1. A plant is 5cm tall and growing at a rate of 3cm a month. Use h for total height and m for month.h= 5 + 3 + mh = 5m + 3h = 3m + 5m = 3h + 5
- 9. Multiple ChoiceBob has $150 in his savings account and saves $40 per month. Let t be the total amount of money saved and m be the number of months.m = 150 + 40 + tt = 40m + 150t = 150m + 40m = 40 + 150t
- 10. Multiple ChoiceA holiday meal costs $12.50 a person plus a delivery fee of $30. Let t represent the total cost and p represent the number of peoplet = 30 + 12.5pt = 12.5 + 30 + pp = 12.5 + 30tp = 12.5t + 30
- 11. Multiple ChoiceEasy Car Rental charges $8.50 an hour plus a rental fee of $25.50. Use h for hours and c for cost.c = 8.5 + 25.5 - hc = 25.5 + 8.5hc = 8.5 + 25.5hc + h = 34
- 12. Multiple ChoiceWrite an expression for the following. Jerry has $20 and makes $7 per hour. Let t represent the total and h represent the hours.t = 7h + 20t = 7 + 20ht = 20 + 7 - ht = 20 + 7 + h
- 13. Multiple ChoiceSonia has $40 in her lunch account and pays $2 each day to eat lunch. Let d be the number of days and t be the total money left on the account.t = 40 + 2dt = 40 - 2dt = 2 + 40dt = 2 - 40d
- 14. Multiple ChoiceSandra has a $20 itunes gift card and spends $3 each month. Let m be the number of months and t be the total remaining on the gift card.t = 3m + 20t = 3 + 20mt = -3m + 20t = -20m + 3
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