Test Mathematics 800 Fundamentals Unit 5 MORE WITH FUNCTIONS

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A 10-foot board is to be cut into 3 pieces. Two of the pieces will be the same length and one piece will be 2 feet longer than the other two. Which equation could be used to solve for the lengths?

x + x + x + 2 = 10

Which table of values is correct for the equation y = 3(2)^x .

x y 0 3 1 6 2 12

Rewrite the equation 2 x + 3 y = 6 in slope-intercept form.

y = -2/3 x + 2

Which of the following equations is linear?

y = 1/3 x

Which function is an example of exponential decay?

y = 5(0.6)^x

All of the following expressions are equivalent except _____.

(5 - 5) x

Fill in the blank. What is the slope of a line that runs parallel to y=−x+7y=−x+7 ? Use a number to fill in the blank.

-1

Solve -5(3 n + 4) = 40.

-4

Fill in the blank. What slope does a horizontal line have? Use a number to fill in the blank.

0

Which of the following sequences is not arithmetic?

1, 4, 9, 16, ...

Fill in the blank. If D = M/V, the value of M when D = 5.1 and v = 0.3 is:

1.53

What is the slope of a line passing through (3, 4) and (5, 8)?

2

If M+2/5 = 1/2, then which of the following is true?

2 m + 4 = 5

Convert 77 degrees in Fahrenheit to Celsius using the formula F= 9/5 C + 32.

25°C

What is the common difference or common ratio of the sequence 2, 5, 8, 11, ...?

3

What are the next three terms in the sequence 11, 18, 25, 32, ...?

39, 46, 53

Fill in the blank. The solution to 2 x - 2 + 5 = 13 is:

5

Fill in the blank. The solution to 2 x - 2 + 5 = 13 is:

7

All of the following points lie on the graph of y = 3 x except _____.

Not (0,1).

Simplify y^2 + 11 y - 6 y + y^2 .

Not 2 y^2 + 5.

What is the common ratio of the geometric sequence 16, 24, 36, 54, ...?

Not 2/3.

Before simplifying, how many terms are there in the expression 2 x - 5 y + 3 + x ?

Not 3, probably 6.

Solve for b in the formula 3 a + 2 b = c .

Not b = -3 a + c.

In which of the following would you multiply both sides of the equation by n ?

Solve m/n=p for m.

Which graph has an x -intercept of 5 and a y -intercept of -3?

The one on the right side on the bottom corner.


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