Quiz about Algebra 2 - Diagnostic Test

Question 1

For the expression $$2\pi r$$ , $$\pi$$ is a variable.

Accepted Answer

False

Answer

True

Question 2

Three consecutive integers can be represented as n, 2n, and 3n.

Accepted Answer

True

Answer

False

Question 3

$$3+5 imes4\ =\ 8 imes4$$

Accepted Answer

False

Answer

True

Question 4

$$\frac{12\ -\ 8}{2}=6-4$$

Accepted Answer

True

Answer

False

Question 5

The inequality statement $$x\le5$$ means $$x\ <\ 5$$ or $$x\ =5$$

Accepted Answer

True

Answer

False

Question 6

The negation of x > 5 is x < 5.

Accepted Answer

False

Answer

True

Question 7

7 is a solution to 3r + 4 > 25.

Accepted Answer

False

Answer

True

Question 8

The absolute value of any expression can never be negative.

Accepted Answer

True

Answer

False

Question 9

An absolute value equation always has exactly two solutions.

Accepted Answer

False

Answer

True

Question 10

|3x| = 3|x|

Accepted Answer

True

Answer

False

Question 11

|3 + x| = 3 + |x|

Accepted Answer

False

Answer

True

Question 12

$$-x^4\ =\ \left(-x\right)^4$$

Accepted Answer

False

Answer

True

Question 13

$$30 imes10^{-1}$$ is greater than $$0.3\ imes10^1$$

Accepted Answer

False

Answer

True

Question 14

The degree of the following polinomial is 3:
$$7x^3y^3\ +\ 2xy\ +6$$

Accepted Answer

False

Answer

True

Question 15

Which of the following could not represent the sum of five and a number?

Accepted Answer

5x

Answer

5 + n

Answer

n + 5

Answer

x + 5

Answer

5 + y

Question 16

Which word is not used to indicate multiplication?

Accepted Answer

Increased

Answer

half

Answer

product

Answer

times

Answer

tripled

Question 17

Which graph represents x < 5?

Accepted Answer

Question 18

Evaluate the following expression for x = 3 and y = -2

$$4xy^3\ +\ 3xy\ +2$$

Accepted Answer

-112

Answer

-72

Answer

-58

Answer

80

Answer

None of these

Question 19

Evaluate the expression for x = -2

$$7x^3\ -3x^2+5x\ -4$$

Accepted Answer

-82

Answer

54

Answer

30

Answer

-58

Question 20

Which of the following roots is not a real number?

Accepted Answer

$$\sqrt[4]{-16}$$

Answer

$$\sqrt[]{4}$$

Answer

$$\sqrt[3]{8}$$

Answer

$$\sqrt[5]{-32}$$

Question 21

Convert to exponential form

$$\sqrt[3]{8y}$$

Accepted Answer

$$2y^{\frac{1}{3}}$$

Answer

$$2y^3$$

Answer

$$8y^{\frac{1}{3}}$$

Answer

$$\frac{1}{2y^3}$$

Question 22

Simplify $$\sqrt[]{432}$$ .

Accepted Answer

$$12\sqrt[]{3}$$

Answer

12

Answer

36

Answer

$$6\sqrt[]{6}$$

Question 23

What is the conjugate of $$-a-\sqrt[]{b}$$ ?

Accepted Answer

$$-a\ +\sqrt[]{b}$$

Answer

$$b\ +\sqrt[]{a}$$

Answer

$$a\ +\sqrt[]{b}$$

Answer

$$b-\sqrt[]{a}$$

Question 24

Select the simplified algebraic expression for the area of the parallelogram.

Accepted Answer

$$8x^8$$

Answer

$$6x^{15}$$

Answer

$$6x^8$$

Answer

$$12x^{10}$$

Algebra 2 - Diagnostic Test

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