Quiz about Test 2 Corrections

Question 1

List the transformations of the following function.

$$y=-5\ \sqrt[]{x-100}$$

Accepted Answer

Reflect over x-axis

Vertical Stretch by 5

Right 100

Answer

Reflect over y-axis

Vertical Stretch by 100

Left 5

Answer

Reflect over x-axis

Vertical Compression by 5

Left 100

Answer

Reflect over y-axis

Vertical Compression by 100

Right 5

Question 2

For the system below, which point is a solution?

$$y>-3x+8$$

$$y<6x+2$$

Accepted Answer

(11,1)

Answer

(8,5)

Answer

(2,0)

Answer

(4,-6)

Question 3

What is the cost of one hosta and the cost of one geranium?

Accepted Answer

Hosta: $11

Geranium: $10

Answer

Hosta: $15

Geranium: $13

Answer

Hosta: $12

Geranium: $11

Answer

Hosta: $14

Geranium: $12

Question 4

The formula, $$d=rt$$ , is used to calculate the distance an object travels over a period of time, t, at a constant rate, r. Based on this formula, what is the rate, r, in terms of d and t?

Accepted Answer

$$r=\frac{d}{t}$$

Answer

$$r=\frac{t}{d}$$

Answer

$$r=d-t$$

Answer

$$r=dt$$

Question 5

If $$f\left(x\right)=12x-5$$ , find $$f\left(6\right)$$ .

Accepted Answer

$$f\left(6\right)=67$$

Answer

$$f\left(6\right)=12$$

Answer

$$f\left(6\right)=77$$

Answer

$$f\left(6\right)=15$$

Question 6

Cindy needs to save at least $300 for prom. She works two jobs earning $10/hour at Pizza Hut and $15/hour at Best Buy. She only has time to work 20 hours before prom. Set up the system of inequalities.

Accepted Answer

$$x+y\le20$$

$$10x+15y\ge300$$

Answer

$$x+y\le300$$

$$10x+15y\ge20$$

Answer

$$x+y\ge20$$

$$10x+15y\le300$$

Answer

$$x+y\ge300$$

$$10x+15y\le20$$

Question 7

What is the solution to the following system of equations?

Accepted Answer

(-1, -2, -2)

Answer

No Solution

Answer

(-1, -2, 5)

Answer

Infinitely Many Solutions

Question 8

What is the transformation for the given function?

$$y=15^x+20$$

Accepted Answer

Shift up 20

Answer

Shift down 20

Answer

Shift right 20

Answer

Shift left 20

Question 9

A pharmacist filled 5 prescriptions in 12 minutes. At this rate, how many prescriptions would the pharmacist expect to fill in 3 hours.

Accepted Answer

75

Answer

85

Answer

65

Answer

55

Question 10

Which graph shows the system of inequalities?

$$5x-3y>6$$

$$x-3y>-6$$

Accepted Answer

Question 11

Write an absolute value function given the following transformations from the parent function:

-Reflection across the x-axis

-Horizontal shift right 14 units

-Vertical shift up 8 units

Accepted Answer

y = -|x - 14| + 8

Answer

y = -|x + 14| + 8

Answer

y = |x - 14| + 8

Answer

y = -|x - 14| - 8

Question 12

Which point is a solution to the system below?

$$5x-3y<-9$$

$$x+3y>-9$$

Accepted Answer

(-4, 2)

Answer

(-3, -4)

Answer

(3, 1)

Answer

(3, 3)

Question 13

Solve the following system of equations.

$$6x-12y=12$$

$$4x+3y=-25$$

Accepted Answer

(-4, -3)

Answer

(4,-3)

Answer

(-3, 4)

Answer

(-3, -4)

Question 14

Milo has 15 more nickels than quarters. The total value of the coins is $10.35. Which system could be used to find how many nickels and quarters he has?

Accepted Answer

$$n-q=15$$

$$0.05n+0.25q=10.35$$

Answer

$$q=n-15$$

$$0.25n+0.05q=10.35$$

Answer

$$n+q=15$$

$$0.05n+0.25q=10.35$$

Answer

$$n=15-q$$

$$0.25n+0.05q=10.35$$

Question 15

If a system has one solution, what does the graph look like?

Accepted Answer

Intersecting Lines

Answer

Same Line

Answer

Skew Lines

Answer

Parallel Lines

Question 16

If the $4.60 large cotton candy was on sale for 25% off, what is the discounted price?

Accepted Answer

$3.45

Answer

$3.90

Answer

$2.75

Answer

$4.15

Test 2 Corrections

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