8th STAAR Review New

Which of the following situations does not represent a proportional relationship?

• The total number of marbles in terms of the number of weeks, if Francisco has 36 marbles and purchases 5 additional marbles per week.

• The amount of earnings in terms of the number of sales Francisco has made, if $9.50 is earned for each sale.

• The total number of points scored by Francisco in terms of the number of goals made, if 2 points are scored for every goal that is made.

• The length of a paved sidewalk in terms of the number of days Francisco has worked for a period of 12 days, if exactly 40 feet of sidewalk is paved each day.

Tags

CCSS.7.RP.A.2A

Tags

CCSS.HSG.CO.A.2

The distance a spring stretches varies directly as the force applied. If a force of 140 newtons strectches a spring 4 centimeters, by how many centimeters will a force of 350 newtons stretch the same spring?

• .65

• 70%

Answer explanation

To order real numbers, convert each number to a decimal, then look at whether you are arranging the decimals from greatest to least or least to greatest.

What would be the exponent of 12,010,000 when written in scientific notation?

Mathematical Equivalence

OFF

Tags

CCSS.8.EE.A.3

The blue point on the coordinate plane is the preimage. Click on the graph where the image of the point would lie after a rotation of 180 degrees.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What would be the exponent of 0.000000000643 when written in scientific notation?

Mathematical Equivalence

ON

Tags

CCSS.8.EE.A.3

The coordinates of a triangle on the coordinate plane are dilated by a scale factor of 5. The perimeter of the triangle ​ (a)   . The area of the triangle ​ (b)   .

• will be 5 times larger
• will be 25 times larger
• will be 5 times smaller
• will be the same
• will be 25 times smaller

Tags

CCSS.7.G.A.1

What is the total surface area of this rectangular prism?

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.6

Leslie and Cindy went to swim at the town swimming pool. If Leslie wanted to swim diagonally from one corner of the pool to the other, what is the distance she will have to swim?

Mathematical Equivalence

ON

Tags

CCSS.8.G.B.8