G7 CBA #3 Review

The graph shows the distance a boat is traveling over time. Does the boat travel at a constant or variable speed? How fast is the boat traveling?

• constant speed; 17.5 mi/h

• constant speed; 70 mi/h

• constant speed; 35 mi/h

• variable speed; 70 mi/h

#2. The distance between two cities is 600 miles. On a map, they are 4 inches apart. What is the scale of the map?

• 4 in.:100 mi

• 1 in.:600 mi

• 1 mi:150 in.

• 1 in.:150 mi

#3. Which would show that these two triangles are similar?

• The corresponding angles are congruent, and the corresponding sides are congruent.

• The corresponding angles are proportional, and the corresponding sides are proportional.

• The corresponding angles are congruent, and the corresponding sides are proportional.

• The corresponding angles are proportional, and the corresponding sides are congruent.

#4. In the drawing below, triangle ABC is similar to triangle DEF.

Which of the following is TRUE?

• $\frac{AB}{DE}=\frac{BD}{DF}$

• $\frac{EF}{DF}=\frac{BC}{AC}$

• $\frac{AC}{AB}=\frac{DE}{DF}$

• $\frac{ED}{FD}=\frac{CA}{BA}$

#5. Which situation is best described by the graph shown?

• JJ purchases chips for $0.75 per bag.

• Mark buys a pack of gum for $1.50 each.

• Paula pays $0.50 per ticket at the fair.

• Franco purchases flowers for $3.00 each.

#6. A car salesperson earns a weekly salary of $900 per month plus $150 for each car sold. The equation y = 150x + 900 represents the total weekly salary. Graph the equation using the slope and y-intercept.

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#7. Write an equation for the table of ordered pairs.

• y = -2x + 4

• y = 2x + 4

• y = 4x

• y = x - 4

Which equation represents the relationship between the x-values and the y-values in the table?

• y = 2x + 12

• y = 4x + 6

• y = 6x + 4

• y = 2x + 4

The ratio of width to length of the United States flag is 10:18 as shown in the scale drawing below.

If the width of the flag at Emersen’s school is 4 feet, what is its length in feet?

• 12 ft

• 7.2 ft

• 45 ft

• 1.2 ft

Triangle ABC is similar to Triangle ADE. Find X, the distance from Point B to point C.

• 35 ft

• 53 ft

• 4 ft

• 45 ft