Unit 5 preview

Carmella plotted the ordered pair (1, 3) on a coordinate grid by moving 1 unit up and 3 units left from the origin. Which statement is true?

• A. Carmella plotted both the x-coordinate and the y-coordinate incorrectly.

• B. Carmella plotted the x-coordinate incorrectly and the y-coordinate correctly.

• C. Carmella plotted the x-coordinate correctly and the y-coordinate incorrectly.

• D. Carmella plotted both the x-coordinate and the y-coordinate correctly.

Examine graph D. Describe the relationship between 'Before Coupon' and 'After Coupon' costs. What does this graph suggest about the effect of the coupon?

• The coupon increases costs.

• The coupon decreases costs.

• The coupon has no effect on costs.

• The effect of the coupon is variable.

The relationship shown is ​ (a)   pattern because each x-coordinate is (b)   in order to create the corresponding y-coordinate.

• increased by 18
• multiplied by 4
• exponential
• additive
• multiplicative
• increased by 22

The number of visitors at a park is recorded for 5 days. The data are shown in the bar graph with one value missing. The number of visitors on Wednesday was half of the number of visitors on Friday. How many visitors were at the park on Wednesday?

• 200

• 175

• 800

• 400

Match each term to its description. Move the correct term to each box. Not all terms will be used.

• The first number in an ordered pair of numbers

• x-axis

• The point where the horizontal axis intersects the vertical axis

• y-coordinate

• The vertical number line on a coordinate grid

• quadrant

Which graph represents the values in the table?

• Graph A

• Graph B

The 3 computer monitors in a classroom use a total of 0.87 watt of electricity. Each monitor uses the same number of watts. How many watts does each monitor use?

• 2.9 watts

• 0.261 watt

• 2.61 watts

• 0.29 watt

An expression is given. 3(25 + 19) + 4(3) What is the value of this expression?

• 294

• 144

• 408

• 168

Imogen rounds a decimal number to the nearest tenth, then records the rounded number as shown. 124.6 Which numbers could Imogen have rounded to the nearest tenth? Select TWO correct answers.

• A. 124.06

• B. 124.55

• C. 124.056

• D. 124.51

• E. 124.615

• A

• B

• C

• D