word problems 1.1-1.2 1.3-1.42.1-2.42.5-2.7 10 20 30 40 50 40 30 20 10 50 40 30 20 10 50 40 30 20 10...

Word Problems

1.1-1.2 1.3-1.4 2.1-2.4 2.5-2.7

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Topic 1 – 10 Points

QUESTION:

•-14=x-12

ANSWER:

•-2

Topic 1 – 20 Points

QUESTION:

•-3(n+6)+10=-8

ANSWER:

•0

Topic 1 – 30 Points

QUESTION:

•0.4r=1.6

ANSWER:

•0.64

Topic 1 – 40 Points

QUESTION:

•2d-15=3

ANSWER:

•9

Topic 1 – 50 Points

QUESTION:

•1.5(q-4)-2=4ANSWER:

•8

Topic 2 – 10 Points

QUESTION:

•-4p=3p+28

ANSWER:

•-4

Topic 2 – 20 Points

QUESTION:

•3(k+5)=-2(3k-6)

ANSWER:

•-1/3 or -0.333

Topic 2 – 30 Points

QUESTION:

•8m+2+4m=2(6m+1)

ANSWER:

•No Solution

Topic 2 – 40 Points

QUESTION:

•Solve the equation for y.•5x-5y=10

ANSWER:

•Y=x-2

Topic 2 – 50 Points

QUESTION:

•The formula for interest is I=Prt. Solve the equation for r.

ANSWER:•I/Pt=r

Topic 3 – 10 Points

QUESTION:

•Tell whether the figures are congruent.

ANSWER:

•Yes

Topic 3 – 20 Points

QUESTION:

•Name the type of transformation of the figuresANSWER:

•Translation

Topic 3 – 30 Points

QUESTION:

•Tell what the transformation is of the figures.

ANSWER:

•Reflection

Topic 3 – 40 Points

QUESTION:

•Are the figures congruent?

ANSWER:

•No

Topic 3 – 50 Points

QUESTION:

•What is the transformation of the figures?

ANSWER:

•Rotation

Topic 4 – 10 Points

QUESTION:

•Tell whether the two triangles are similar.

ANSWER:

•Yes

Topic 4 – 20 Points

QUESTION:

•The polygons are similar. Find x.

ANSWER:

•12

Topic 4 – 30 Points

QUESTION:

•The two figures are similar. Find the ratios (shaded to nonshaded) of the perimeters and of the areas.

ANSWER:

•P=20/15=4/3•A=16/9

Topic 4 – 40 Points

QUESTION:

•The front of the speaker is similar to the front of a speaker in a photo. What is the area of the front of the speaker?

ANSWER:

•216 square inches

Topic 4 – 50 Points

QUESTION:

•What is the transformation of the figures shown?

ANSWER:

•Dilation

Topic 5 – 10 Points

QUESTION:

•The equation R=10A-20 represents the revenue R(in dollars) you make by spending A dollars on advertising. Your revenue totaled $110. How much did you spend on advertising?

ANSWER:

•$13

Topic 5 – 20 Points

QUESTION:

•A car drives 60 miles per hour. Write and solve an equation to find the number of hours it takes to drive 360 miles.

ANSWER:

•60h=360•h=6

Topic 5 – 30 Points

QUESTION:

•You purchase 5 movies and a CD. The cost of the CD is $8.50. Your total bill before tax is $38.45. Write and solve an equation to find the cost of a movie.

ANSWER:

•5x+8.5=38.45•x=5.99

Topic 5 – 40 Points

QUESTION:

•Explain how you know if a dilation is a reduction or an enlargement.

ANSWER:

•It is a reduction when the scale factor is larger than 0, but less than 1.•It is an enlargement when the scale factor is greater than 1.

Topic 5 – 50 Points

QUESTION:

•The ratio of the side length of square A to Square B is 3:5. The perimeter of Square B is 60 feet. What is the area of Square A?

ANSWER:

•9:25=x:225•x=81 square feet