Writing Linear Equations from Word Problems

In your equations, do not enter 1x or -1x, just x or -x

(for example:  y = 1x + 3 should just be y = x + 3)

 

Also, do not enter a plus negative, just subtract. 

(for example y = 2x + -3 should just be y = 2x - 3)

 

Do not enter + 0.

(for example y = -3x + 0 should just be y = -3x)

 

Finally, put the x-term first.  y = 25 - 2x should be

entered as y = -2x+25 (even though both are correct)

Write the equation that could

represent each problem situation.

Figure 0 of a tile pattern has 3 tiles.  This pattern grows

by 5 tiles each figure.

y =

A puppy weighed 9 ounces at birth.  It gains 2 ounces

each week.

y =

Nona saves $30 each week.  She originally had $204 in

her savings account.

y =

A beaker of boiling water (212 degrees F) begins to cool.

The temperature drops 11 degrees every minute.

y =

A spider is sitting atop a 30 inch wall.  It starts to climb

down at a rate of 4 inches per minute.

y =

A tree was planted when it was 2 feet tall.  It grows 1

foot every year.

y =

Rhys is on a diet.  He loses 5 pounds each month.  He

began his diet when he weighed 300 pounds.

y =

Marci had 216 points coming into this basketball season.

She averages 14 points a game.

y =

The worm population in Ms. Carter's class's worm farm

is growing by 4 worms every month.  They began their

worm farm with 25 worms.

y =

Wrathe put $225 on his new lunch card.  Each lunch

costs $1.75, which is deducted from his card.

y =

Brent started building a brick wall from scratch.  He lays

1 brick every minute.

y =

A flower seed was planted 12 inches underground.  It

began growing 4 inches every week.

y =

Xa started reading a new book.  He speed reads 7 pages

every minute.

y =

A squirrel currently has a stash of 40 acorns.  It collects

9 more acorns every hour.

y =

Aurora bought a box of 52 cookies.  She eats one

cookie a day with her lunch.

y =
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