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12.1.1 Review & Preview

Last updated 1 day ago

12 questions

Examine the graph of the circle at right. 12-6 HW eTool (Desmos)  Homework Help ✎

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Question 1

1.

Find the equation of the circle.

Question 2

2.

On graph paper, sketch the graph of the equation x^2+y^2=49. What is the radius?

A credit union offers a long-term account that pays 6% interest compounded monthly and your college fund currently contains $8500.  Homework Help ✎

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Question 3

3.

What is the monthly multiplier?

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Question 4

4.

Write a function of the form f(t)=ab^t that represents the monthly situation.

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Question 5

5.

At the current rate, what will be the value of the account in 5 years? Round to the nearest dollar.

Examine the diagram below.  Homework Help ✎

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Question 6

6.

Write an equation using the geometric relationships in the diagram.

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Question 7

7.

Solve your equation for x.

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Question 8

8.

Find the measures of the acute angles of the triangle. Round each angle to the tenth of the degree.

Use the diagram of ⊙C at right to answer the questions below.  Homework Help ✎

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Question 9

9.

If m\angle x=28^\circ, what is \overset\frown{ A D }?

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Question 10

10.

If AD=5 and BD=5\sqrt{3}, what is the area of ⊙C?

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Question 11

11.

If the radius of ⊙C is 8 and if m\overset\frown{BD}=100^\circ, what is BD? Round to the nearest tenth.

Question 12

12.

Multiple Choice: Based on the markings in the diagrams at right, which statement is true? Homework Help ✎

\Delta ABC \cong \Delta XYZ

\Delta ABC \cong \Delta YXZ

\Delta ABC \cong \Delta ZXY

\Delta ABC \cong  \Delta ZYX

None of these