Answers FL-1200340-Algebra 2 Honors Sem 2 - FlexUnit Test

Unit Test — Unit test Answers

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Mr. Knotts found the difference of the following expression. Which statement is true about Mr. Knotts’s work? Step 1: Step 2: Step 3: Step 4:

In step 1, he did not correctly factor the denominator.

In step 2, he did not use the correct common denominator.

In step 3, he did not distribute the negative sign when he subtracted.

In step 4, he did not correctly subtract the numerator.

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What is the solution set of ?

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How many extraneous solutions does the equation below have?

What is the solution of ?

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The increase in a person’s body temperature T(t), above 98.6ºF, can be modeled by the function , where t represents time elapsed. What is the meaning of the horizontal asymptote for this function?

The horizontal asymptote of y = 0 means that the person’s temperature will approach 98.6ºF as time elapses.

The horizontal asymptote of y = 0 means that the person’s temperature will approach 0ºF as time elapses.

The horizontal asymptote of y = 4 means that the person’s temperature will approach 102.6ºF as time elapses.

The horizontal asymptote of y = 4 means that the person’s temperature will approach 4ºF as time elapses.

Which expression is equivalent to the following complex fraction?

StartFraction negative 2 y + 5 x Over 3 x minus 2 y EndFraction

StartFraction 3 x minus 2 y Over negative 2 y + 5 x EndFraction

StartFraction x squared y squared Over (negative 2 y + 5 x) (3 x minus 2 y) EndFraction

StartFraction (negative 2 y + 5 x) (3 x minus 2 y) Over x squared y squared EndFraction

Max can mow a lawn in 45 minutes. Jan takes twice as long to mow the same lawn. If they work together, the situation can be modeled by the following equation, where t is the number of minutes it would take to mow the lawn together.How long will it take Maxine and Jan to mow the lawn together?

30.0 minutes

45.0 minutes

67.5 minutes

135.0 minutes

Does the expression simplify to x?

No, because x3 – 1 can be factored as x(x2 – x + 1) and x2 – 1 can be factored as x(x – 1), so only x can be canceled.

Yes, because x3(x – 1) can be factored as x2(x – 1) and x2 – 1 can be factored as x(x – 1), so (x – 1) can be canceled.

No, because the –1 in the numerator and denominator is not a common factor and cannot be canceled.

Yes, because –1 in the numerator and denominator is a common factor and can be canceled.

Which graph represents the function ?

On a coordinate plane, a hyperbola is shown. A curve opens up and to the right in quadrant 1, and another curve opens down and to the left in quadrant 3. A vertical asymptote is at x = 0.

On a coordinate plane, a hyperbola is shown. A curve opens up and to the right in quadrant 1, and another curve opens down and to the left in quadrant 3. A vertical asymptote is at x = 0.25.

On a coordinate plane, a hyperbola is shown. A curve opens up and to the left in quadrant 2, and another curve opens down and to the right in quadrant 4. A vertical asymptote is at x = 0.

On a coordinate plane, a hyperbola is shown. A curve opens up and to the left in quadrant 2, and another curve opens down and to the right in quadrant 4. A vertical asymptote is at x = 0.25.

Which expression is equivalent to ?

StartFraction m minus 4 Over (m + 4) (m + 2) EndFraction

StartFraction (m + 4) (m + 2) Over m minus 4 EndFraction

StartFraction (m minus 4) (m + 2) Over m + 4 EndFraction

StartFraction m + 4 Over (m minus 4) (m + 2) EndFraction

Which expression is equivalent to ? Assume .

StartFraction 5 Over x Superscript 12 Baseline y Superscript 30 Baseline EndFraction

StartFraction 1 Over 5 x Superscript 8 Baseline y Superscript 13 Baseline EndFraction

StartFraction 5 Over x Superscript 4 Baseline y Superscript 7 Baseline EndFraction

StartFraction y Superscript 7 Baseline Over 5 x Superscript 4 Baseline EndFraction

Which expression is equivalent to ? Assume .

StartFraction m Superscript 5 Baseline Over 162 n EndFraction

StartFraction 1 Over 2 m cubed n EndFraction

StartFraction 8 m Superscript 9 Baseline Over n Superscript 9 Baseline EndFraction

StartFraction 4 m Superscript 8 Baseline Over 3 n cubed EndFraction

What are the excluded values of x for ?

x = –7, x = 4

x = –7, x = 5

x = –5, x = 7

x = –4, x = 7

Using V = lwh, what is an expression for the volume of the following prism?

StartFraction 4 (d minus 2) Over 3 (d minus 3)(d minus 4) EndFraction

StartFraction 4 d minus 8 Over 3 (d minus 4) squared EndFraction

StartFraction 4 Over 3 d minus 12 EndFraction

StartFraction 1 Over 3 d minus 3 EndFraction

Mario makes 6 free throw shots out of his first 10 attempts. What is the least number of consecutive shots Mario must make to increase his overall percentage from 60% to at least 70%?

1 shot

4 shots

10 shots

14 shots

How does the graph of compare to the graph of the parent function ?

g(x) is shifted 4 units right and 6 units up from f(x).

g(x) is shifted 4 units right and 6 units down from f(x).

g(x) is shifted 4 units left and 6 units up from f(x).

g(x) is shifted 4 units left and 6 units down from f(x).

The excluded values of a rational expression are 2 and 5. Which of the following could be this expression?

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Which graph represents the function ?

On a coordinate plane, a hyperbola and parabola are shown. The hyperbola has a curve in quadrants 1 and 2. The parabola opens down and has a vertex at (0, 0).

On a coordinate plane, a hyperbola and a cubic functions are shown. They hyperbola has curves in quadrants 1 and 3, and the cubic function goes through (0, 0).