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Solving Equations Unit Review

Authored by Collin Bryant

Mathematics

9th - 12th Grade

CCSS covered

Used 2+ times

Solving Equations Unit Review
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31 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An operation is a...

a fixed set of rules

a type of mathematical function

mathematical calculation. Addition, subtraction, multiplication, or division.

Answer explanation

An operation refers to a mathematical calculation, which includes addition, subtraction, multiplication, or division. This definition aligns with the correct choice, distinguishing it from a fixed set of rules or a type of function.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which one of the terms is a constant? (A number on it's own)

-2x

x

5

Answer explanation

A constant is a number on its own, without any variables. In this case, 5 is a constant, while -2x and x are not constants because they include the variable x.

Tags

CCSS.6.EE.A.2B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3

0.5

Answer explanation

The reciprocal of a fraction is obtained by flipping the numerator and denominator. For \( \frac{2}{3} \), the reciprocal is \( \frac{3}{2} \), which is the correct answer.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The number in front of a variable is called the...

coefficient

number

operation

Answer explanation

The number in front of a variable is called the coefficient. It indicates how many units of the variable are being considered, making 'coefficient' the correct term, while 'number' and 'operation' do not specifically refer to this concept.

Tags

CCSS.6.EE.A.2B

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An unknown quantity in an expression or equation represented by a letter is called...

coefficient

variable

constant

Answer explanation

An unknown quantity in an expression or equation represented by a letter is called a variable. Unlike coefficients and constants, which have fixed values, variables can change and represent different numbers.

Tags

CCSS.6.EE.A.2B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

One or more numbers or variables joined by one or more operations is called an...

formula

calculation

expression

Answer explanation

An expression is defined as one or more numbers or variables combined using operations. This distinguishes it from a formula, which typically represents a specific relationship, and a calculation, which involves evaluating an expression.

Tags

CCSS.6.EE.A.2B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An expression with an equal sign is called an...

inequality

formula

equation

Answer explanation

An expression with an equal sign indicates that two values are the same, which defines an equation. In contrast, inequalities express a relationship where values are not necessarily equal.

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