Duplicate of 7th Grade - Unit 2: Algebraic Thinking

Question 1

Solve the equation: 17 + n = 5

Accepted Answer

n = -12

Question 2

A mathematical sentence that includes an equals sign to compare two expressions.

Accepted Answer

Equation

Question 3

Simplify the expression: 7b + 5 - 8b - 3

Accepted Answer

-b + 2

Question 4

Solve the inequality: x/11 < 9

Accepted Answer

x < 99

Question 5

A line used to organize numbers (least to greatest), from left to right.

Accepted Answer

Number Line

Question 6

Solve the inequality: m - 12 ≤ 5

Accepted Answer

m ≤ 17

Question 7

A number that is neither positive nor negative

Accepted Answer

0

Question 8

Write an inequality for the graph below.

Accepted Answer

x < 4

Question 9

Simplify the expression: -a - (3 - 4a)

Accepted Answer

-3 + 3a

Question 10

Solve the equation: b/10 = 20

Accepted Answer

b = 200

Question 11

A letter that represents an unknown value.

Accepted Answer

Variable

Question 12

Simplify the expression: 7k - (4k - 2)

Accepted Answer

3k + 2

Question 13

Simplify the expression: -7(-4 + 3x)

Accepted Answer

28 - 21x

Question 14

Solve the inequality: -9 + n ≤ -5

Accepted Answer

n ≤ 4

Question 15

Write an inequality for the graph.

Accepted Answer

x ≥ -2

Question 16

Simplify the expression: 5(10x - 4)

Accepted Answer

50x - 20

Question 17

Solve the equation: 70 = 9r + 7

Accepted Answer

r = 7

Question 18

Solve the inequality: 9 + n/3 ≥ 15

Accepted Answer

n ≥ 18

Question 19

Write an inequality for the graph.

Accepted Answer

x ≥ 1

Question 20

Solve the inequality: 10x < 70

Accepted Answer

x < 7

Question 21

Simplify the expression: 5n + 17n

Accepted Answer

22n

Question 22

Solve the inequality: -29 ≤ -9 + 10r

Accepted Answer

r ≥ -2

Question 23

Factor the expression: 24x + 45

Accepted Answer

3(8x + 15)

Question 24

A mathematical phrase that can involve variables, numbers, and operations.

Accepted Answer

Expression

Question 25

Factor the expression: 15x - 25

Accepted Answer

5(3x - 5), -5(-3x + 5)

Question 26

Solve the equation: -6 + x/3 = -12

Accepted Answer

x = -18

Question 27

a mathematical sentence that uses <, >, ≠, ≤, & ≥ to compare two quantities.

Accepted Answer

Inequality

Duplicate of 7th Grade - Unit 2: Algebraic Thinking

Questions 27

Duplicate of 7th Grade - Unit 2: Algebraic Thinking

Questions 27