Review #2 23-24

When a weightlifter lifts weights, the total weight lifted, y, is based on the weight of the bar and the weight of the plates. At Fitness Plus, a bar weighs 45 pounds and each plate, x, weighs 15 pounds. Which of the following represents this relationship?

(HINT** FIND THE RULE AND PUT IT IN DESMOS, THEN LOOK AT TABLE)

• A.

• B.

• C.

• D.

A small local restaurant was plotting their profits in order to predict future income. A

scatterplot of the profits is shown below.

Which of the following is the most likely prediction of their profits in 15 months?

• A.

• B.

• C.

• D.

Abby can swim 4 laps of a pool in 3 minutes. Which graph has a slope that best represents the number of laps Abby can swim?

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Which of the following mappings does not represent a function?

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Which of the following represents a linear function that is proportional?

• A.

• B.

• C.

• D.

A line has a slope of 2/3 and a y-intercept of (0, 3). Which of the following represents the equation of the line?

• A.

• B.

• C.

• D.

Julia was given the following numbers to put in order from greatest to least.

Which of the following shows the numbers in order from greatest to least?

• A.

• B.

• C.

• D.

Quadrilateral ABCD and its dilated image are shown on the grid.

Which of the following statements is not true about the figures?

• A. The scale factor of the dilation is less than 1.

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• C. Angle A is congruent to Angle A’.

• D. B’C’ is twice the length of BC.

Which equation can be used to describe the relationship between x and y shown in the graph below? (HINT: Write your name on the graph and see if the slope is + or -)

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Which of the following is an equivalent equation to the equation shown below? (hint put it in desmos using x, and see which one is the same line)

• A.

• B.

• C.

• D.