Mastering Integers and Algebra

What is an integer?

• An integer is a fraction.

• An integer is a decimal number.

• An integer is a negative number.

• An integer is a whole number.

Identify the integers in the set: {3, -5, 0, 2.5}

• -3

• 2.5

• 1

• 3, -5, 0

Simplify the expression: 3x + 5x

• 10x

• 3x + 5

• 6x

• 8x

Evaluate the expression: 2a + 3 when a = 4

• 14

• 7

• 10

• 11

Translate the phrase 'five more than a number x' into an expression.

• x - 5

• 5 - x

• 5x

• x + 5

Solve the equation: 2x + 3 = 11

• 5

• 4

• 2

• 3

What is the value of x in the equation: 5x - 7 = 18?

• 10

• 3

• 5

• -1

Simplify the expression: 4y - 2y + 6

• 4y + 6

• 2y + 4

• 6y - 2y

• 2y + 6

Evaluate the expression: 3(2 + 4) - 5

• 15

• 13

• 10

• 8

Translate the phrase 'twice a number y' into an expression.

• y + y

• 3y

• y^2

• 2y