Illustrative Mathematics Algebra

Which is an equation?

• 4x = 9

• 4x - 9

• 4x

• - 9

What is the "7m" in this expression?
7m - 9

• Expression

• Variable

• Coefficient

• Term

Simplify

a + a = ?

• a²

• a¹

• 2a

• aa

Simplify

2b + b

• 3b

• b³

• b

• 2b

y + y + y =

• 3y

• 3 + y

• y + 3

• y/3

4y - 2y =

• 2y

• 6y

• y + 2

• y - 2

x + 4 = 12

• x = 6

• x = 8

• x = 14

• x = 10

3a + 2b + 3 a =

• 8a

• 8b

• 5a + 3a

• 6a + 2b

What is the algebraic expression for                  "the sum of n and 9"?

• n - 9

• n + 9

• n/9

• 9n

If a = 4 and b = 6, what is the value of 3a + 5b?

• 40

• 42

• 44

• 46