Quiz about (M) Mock Midterm

Question 1

Solve the equation. Check your solution :)

b - 19 = 35

Accepted Answer

b = 54

Answer

b = 2

Answer

b = 16

Answer

b = -16

Question 2

The temperature at 6 A.M. was -7 degrees Fahrenheit. Now, the temperature at 10:00 A.M. is 12 degrees Fahrenheit. How many degrees did the temperature rise?

Accepted Answer

19 degrees

Answer

-5 Degrees

Answer

5 degrees

Answer

-19 degrees

Question 3

Solve the equation. Check your solution :)

9z - 5 - 4z = -5

Accepted Answer

z = 0

Answer

z = 2

Answer

z = 4

Answer

z = 5

Question 4

Solve the proportion.

$$\frac{9}{5}=\frac{63}{x}$$

Accepted Answer

x = 35

Answer

x = 10

Answer

x = 25

Answer

x = 50

Question 5

Write this number in scientific notation.

0.0000087

Accepted Answer

$$8.7 imes10^{-6}$$

Answer

$$8.7 imes10^{-1}$$

Answer

$$8.7 imes10^{-3}$$

Answer

$$8.7 imes10^{-5}$$

Question 6

Write an equation based on the sentence below.

"The sum of five times a number and 26 is 19." (Use n for number.).

Accepted Answer

5n + 26 = 19

Answer

5 x n x 26 = 19

Answer

5 + n26 = 19

Answer

5 x 1 + 26 = 19

Question 7

Solve the equation. Check your solution :)

$$2(4b-6)=4(3b-5)$$

Accepted Answer

b = 2

Answer

b = 3

Answer

b = 5

Answer

b = 10

Question 8

Solve the equation. Check your solution :)

$$\left|y+2\right|\ =\ 8$$

Accepted Answer

y = 6 and y = -10

Answer

y = 1 and y = 4

Answer

y = 4 and y = -9

Answer

y = 5 and y = -12

Question 9

Solve the equation for y.

4x + 2y = 8

Accepted Answer

y = 4 - 2x

Answer

y = 2x - 4

Answer

y = 8 - 4x

Answer

y = 4x + 2

Question 10

Write the sentence as an inequality.

"Seven less than or equal to the difference of a number q and 6."

Accepted Answer

$$7\le q-6$$

Answer

$$7=q-6$$

Answer

$$7>q-6$$

Answer

$$7\le6-q$$

Question 11

What inequality is shown based on the number line?

Accepted Answer

$$x\le-3$$

Answer

$$x<-3$$

Answer

$$x>-3$$

Answer

$$x\ge-3$$

Question 12

Write the sentence as an inequality, then solve for the inequality.

"A number minus 6 greater than or equal to 30"

Accepted Answer

$$x-6\ge30$$ , $$x\ge36$$

Answer

$$x-6>30$$ , $$x>36$$

Answer

$$6-x>30$$ , $$x>-36$$

Answer

$$6-x\ge30$$ , $$x\ge-36$$

Question 13

Solve the inequality.

$$-16f-4<44$$

Accepted Answer

$$x>-3$$

Answer

$$x<2$$

Answer

$$x>-2$$

Answer

$$x<3$$

Question 14

Solve the inequality.

$$3p+4>-4p+25$$

Accepted Answer

p > 3

Answer

p > 1

Answer

p = 2

Answer

p = 3

Question 15

What inequality is shown by the graph?

Accepted Answer

$$y<2x-4$$

Answer

$$y>2x-4$$

Answer

$$y<3x+2$$

Answer

$$y>3x+2$$

Question 16

Based on the function, label whether the function is positive, negative, increasing, or decreasing. (Hint: the function might be more than one category :)

Accepted Answer

Positive and Increasing

Answer

Negative and Decreasing

Answer

Negative and Increasing

Answer

Positive and Decreasing

Question 17

Based on the graph, is the function linear or nonlinear?

Accepted Answer

Nonlinear

Answer

Linear

Question 18

Based on the table, is the function linear or nonlinear?

Accepted Answer

Linear

Answer

Nonlinear

Question 19

Based on the information below, what is the transformation from f(x) to g(x)?

$$f\left(x\right)=-x-1\ \ ;\ \ g\left(x\right)=f\left(x\right)+4$$

Accepted Answer

Go up 4

Answer

Go down 4

Question 20

Based on the information below, what is the transformation from f(x) to g(x)?

$$f\left(x\right)=2x\ \ ;\ \ g\left(x\right)=-f\left(x\right)$$

Accepted Answer

Flip vertically

(Reflection across the x-axis)

Answer

Flip horizontally

(Reflection across the y-axis)

Question 21

Find the solution to the system of equations below:

2x - y = 2

2x + y = 6

Accepted Answer

x = 2, y = 2

Answer

x = 0, y = 2

Answer

x = 3, y = 4

Answer

x = 5, y = 1

Question 22

Find the solution to the system of equations below:

y = x - 1

y = 2x + 2

Accepted Answer

The solution is x = -3, y = -4

Answer

The solution is x = 0, y = 1

Answer

The solution is x = -2, y = -3

Answer

The solution is x = 5, y = 8

Question 23

Simplify the expression:

$$\frac{20x^9y^{10}z^{30}}{5x^8y^{10}z^{26}}$$

Accepted Answer

$$4xz^4$$

Answer

$$\frac{1xyz^2}{4}$$

Answer

$$\frac{4xz^4}{y}$$

Answer

$$4xyz^4$$

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