Volume & Surface Area
A beach ball has a diameter of 15 inches. What is the volume of the beach ball to the nearest cubic inch?
1767 in3
Sally invested $1,500 in a savings account that pays 4.5% simple interest. What is the value of her account after 5 years?
$1,837.50
In the equation y=3x+5, what is the slope?
3
A pentagon is rotated 180° clockwise. What is the rule?
(x,y) -> (-x, -y)
2y+2=3y−1
3
A container of Clorox wipes is shaped like a cylinder. It has a diameter of 4 inches and a height of 8 inches. What is the surface area of the label, to the nearest square inch?
100 in2
Jessica invested $2,000 in an account that earns 3.1% interest compounded annually. How much interest will she have earned at the end of 10 years? Round your answer to the nearest cent.
$714.04
y-intercept (b)
A dilation with a scale factor of 3 will make the image ____________ than the pre-image.
Larger/bigger
2(2x+3)=−6
-3
Jonah painted the sides of a cardboard box blue. The box is 12 inches long, 4 inches wide, and 5.4 inches tall. How many square inches of the box did Jonah cover in blue paint?
172.8 in2
Jasmine borrowed $1,000 from her brother. He charged her 2% simple interest. How much in total will she need to pay her brother at the end of 3 years?
$1,060
What is the strategy we use to find slope on a graph?
Rise over run
A circle is reflected across the x-axis. What is the rule for the transformation?
(x,y) -> (x, -y)
3(x+2) = 4(x+1) +2
0
Ellie has a cylindrical water bottle in her lunchbox. It has a diameter of 3.5 inches and a height of 6 inches. How much space will the water bottle take up in her lunch box? Round your answer to the nearest hundredth.
57.73 in3
$597.06
A line that slopes UPHILL has a ___________ slope. (Positive, negative, zero, or undefined?)
Positive
A rectangle is translated 2 units to the left and 3 units up. What is the rule for the transformation?
(x,y) -> (x-2, y+3)
15x = 12(x-3)
-12
Brayden wrapped a gift box for his father. The box is 5 inches long, 3 inches wide, and 2.5 inches tall. How many square inches of wrapping paper were used to cover the entire box?
70 in2
Ian wants to invest $1000 at either 2.5% simple interest or 1.5% compound interest for 5 years. Which option would earn him more money?
Simple interest. He would earn $125 in interest instead of $77.28.
A line that slopes DOWNHILL has a ______ slope.
(Positive, negative, zero, or undefined?)
Triangle ABC is dilated to form triangle A'B'C'. Use the coordinates of A(3, 6) and A'(4, 8) to find the scale factor used to dilate triangle ABC.
4/3
3x+5=5(x-3)
10