Algebra 1 applications

A blueprint was using a scale of 3cm = 4.5m. Find the actual length if it is 5cm on the drawing. (Hint: simplify the scale first)

• 7.5
• 13.5
• 1.5
• 1.7

Tags

CCSS.6.RP.A.3D

What is the grade of the road that rises 18 feet for every horizontal distance of 100 feet?

• .18%

• 5.55%

• 18%

• 8%

Tags

CCSS.8.EE.B.5

How do you find the area of a rectangle?

• Length + Length + Length + Length
• Length + Width
• Length x Width
• Width x Width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the perimeter of a rectangle with length (x-5) and width (3x+1).

• 8x-8
• 4x-4
• 8x+8
• 4x+12

Tags

CCSS.7.EE.A.1

Karen invested $800 in a savings account that earns an annual simple interest rate of 4%. She keeps the money in the account for 2 years.

Find the amount of interest she will earn.

• $64

• $6,400

• $32

• $3,200

Tags

CCSS.HSF.BF.A.2

Michelle sells cars for a living.

She earns 8% commission on all the cars that she sells plus a monthly salary of $250.

This month she sold 2 cars for a total of $19,500.

How much total money did Michelle make for this month?

• $20

• $250

• $1,560

• $1,810

Tags

CCSS.6.EE.B.6

In science class, Kevin measured the mass of an object to be 24 grams. The actual mass of the object was 30 grams.

Find the percent of error in Kevin’s measurement.

• 6%

• 20%

• 25%

• 80%

Tags

CCSS.6.RP.A.3C

Change 9.25% to a decimal.

• 9.25

• 925

• 0.925

• 0.0925

Josh needs to buy a new soccer ball to practice for his summer league. Find the total cost of a $17.75 soccer ball after the sales tax of 6% is included.

Round all answers to the nearest cent. (That’s hundredth.)

• $16.68

• $1.07

• $18.82

• $17.81

Tags

CCSS.6.RP.A.3C

Kelly wants to buy a new tennis racket. At the store she found a $69.50 tennis racket that is on sale for 20% off the regular price. Find the sale price after the discount is included. Round all answers to the nearest cent. (That’s hundredth.)

• $83.40

• $55.60

• $89.50

• $13.90

Tags

CCSS.6.RP.A.3C