Quiz about TSI Concepts

Question 1

The "middle" of a sorted list of numbers is the...

Accepted Answer

Median

Answer

Mode

Answer

Range

Answer

Mean

Question 2

When finding an x-intercept of a line, the y-value must be...

Accepted Answer

0

Answer

1

Answer

-1

Answer

2

Question 3

What operation needs to be done to remove (cancel out) a square root?

Accepted Answer

Square

Answer

Cube

Answer

Division

Answer

Multiply

Question 4

Which is an example of a proportion?

Accepted Answer

$$\frac{1}{2}=\frac{4}{x}$$

Answer

$$y=mx+b$$

Answer

$$a^2+b^2=c^2$$

Answer

$$A=\frac{1}{2}bh$$

Question 5

John is one year older than three times Mary's age (m). Which represents John's age?

Accepted Answer

3m+1

Answer

3(m+1)

Answer

3m-1

Answer

m+3

Question 6

$$A=l\cdot w$$

is the formula for which shape?

Accepted Answer

Rectangle

Answer

Trapeziod

Answer

Triangle

Answer

Circle

Question 7

Which is the formula for the perimeter of a rectangle?

Accepted Answer

$$P=2l+2w$$

Answer

$$P=l\cdot w$$

Answer

$$P=2\pi r$$

Answer

$$P=\frac{1}{2}h\left(b_1+b_2\right)$$

Question 8

What is the probability of rolling a 2 on a six-sided die?

Accepted Answer

$$\frac{1}{6}$$

Answer

$$\frac{1}{3}$$

Answer

$$\frac{1}{2}$$

Answer

$$\frac{2}{6}$$

Question 9

The value that occurs most often is the...

Accepted Answer

Mode

Answer

Mean

Answer

Median

Answer

Range

Question 10

Which is the formula to find the slope of a line?

Accepted Answer

$$m=\frac{y_2-y_1}{x_2-x_1}$$

Answer

$$m=\frac{x_2-x_1}{y_2-y_1}$$

Answer

$$m=\frac{y_1-x_1}{y_2-x_2}$$

Answer

$$m=\frac{y_2-x_1}{y_1-x_2}$$

Question 11

$$x^3\cdot x^4=$$

Accepted Answer

$$x^7$$

Answer

$$x$$

Answer

$$x^{12}$$

Answer

$$x^{34}$$

Question 12

$$x^2+6x+8=0$$

has what factors and what solutions?

Accepted Answer

(x+2)(x+4)

x=-2, x=-4

Answer

(x+2)(x+4)

x=2, x=4

Answer

(x+6)(x+8)

x=-6, x=-8

Answer

(x-2)(x+8)

x=2, x=-8

Question 13

$$\sqrt[]{3}\ \ \sqrt[]{7}=$$

Accepted Answer

$$\sqrt[]{21}$$

Answer

$$\sqrt[]{10}$$

Answer

$$\sqrt[]{4}$$

Answer

$$4$$

Question 14

$$3^{-1}$$ =

Accepted Answer

$$\frac{1}{3}$$

Answer

$$-3$$

Answer

$$-\frac{1}{3}$$

Answer

$$\frac{3}{1}$$

Question 15

Which equation represents inverse variation?

Accepted Answer

$$y=\frac{k}{x}$$

Answer

$$y=kx$$

Answer

$$k=\frac{y}{x}$$

Answer

$$y=\frac{x}{k}$$

Question 16

When finding a y-intercept of a line, the x-value must be...

Accepted Answer

0

Answer

1

Answer

-1

Answer

2

Question 17

The average of a set of numbers is called the...

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range

Question 18

Question 18.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 19

What is the probability of flipping a coin and getting heads?

Accepted Answer

1/2

Answer

1/3

Answer

1/4

Answer

Never, Tails never fails.

Question 20

Jessica has a drawer full of socks. She has 4 blue ones, 5 white ones, 3 pink ones. What is the probability of drawing either a white or pink sock?

Accepted Answer

2/3

Answer

5/48

Answer

1/3

Answer

1/3

Question 21

Which of the following inequalities is true?

Accepted Answer

$$\frac{5}{8}>\frac{6}{10}$$

Answer

$$\frac{3}{4}<\frac{5}{7}$$

Answer

$$\frac{2}{3}>\frac{5}{6}$$

Answer

$$\frac{4}{5}<\frac{2}{9}$$

Question 22

What is 0.8637 rounded to the nearest hundredth?

Accepted Answer

0.86

Answer

0.863

Answer

0.864

Answer

0.87

Question 23

If 5x+4 = 6x, find 8x

Accepted Answer

32

Answer

12

Answer

5

Answer

0

Question 24

Kimberly has 6 more dollars than five times Laysha. If Laysha has x dollars, how much money do they have together?

Accepted Answer

6+5x

Answer

5+6x

Answer

5x-6

Answer

5x2+6

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