3. Simplifying Expressions

Match

Match the following like terms:

• $$5x$$

• $$9x^2$$

• $$8$$

• $$9y$$

• $$3y^2$$

• $$9x$$

• $$x^2$$

• $$5$$

• $$y$$

• $$8y^2$$

Math Response

Simplify the following expression:

$$-9x^2-5x+4x^2+16x$$

Type answer here

Correct Answer: -5x^2+11x

Deg^°

Rad

Multiple Choice

Which expression represents the sum of $$\left(2x-5y\right)$$ and $$\left(x+y\right)$$ ?

• $$3x-4y$$

• $$3x-6y$$

• $$x-4y$$

• $$x-6y$$

Multiple Choice

Which expression is equivalent to $$8c+6-3c-2$$  ?

• $$5c+8$$

• $$11c+4$$

• $$5c+4$$

• $$11c+8$$

Multiple Choice

Which expression is equivalent to $$n+n-0.18n$$ ?

• $$1.18n$$

• $$1.82n$$

• $$n-0.18$$

• $$2n-0.82$$

Multiple Choice

Which expression is equivalent to $$7a-8-12a+4$$ ?

• $$-9a$$

• $$31a$$

• $$-5a-4$$

• $$19a+12$$