algbra

Simplify the algebraic expression and write the coefficients:

2x²(x + 2) – 3x (x² – 3) – 5x(x + 5)

• x³ – x² – 16x

• -x³ – x² – 16x

• -x³ – x² +16x

• x³ – 9² – 16x

Add 3xy + 5yz – 7xz + 1 and -4xy + 2yz – 2xz + 5xyz + 1

• -xy + 7yz – 9xz + 5xyz + 2

• xy + 7yz +9xz + 5xyz + 2

• -xy + 7yz – 5xz + 5xyz + 2

• -xy - 7yz – 7xz + 5xyz + 2

What is the between Variables and coefficients?

How many terms are in the algebraic expression?

2y + x + 4 

• 1

• 2

• 4

• 3

The product of 7 and j increased by 3.

• 3+7j

• 3(1+7j)

• 7j/3

• 3j+7

What is a Term?

• 
  A word for a number

• 
  The right side of an equation

• A Term is either a single number or a variable, or numbers and variables multiplied together and separated from the others with addition or subtraction signs.

• 
  The exponent of the variables in the expression

True or false: Algebra can be used to represent problems where numbers are unknown

• false

• true

Ms Jensen likes to divide her class into two equal groups of g. What expression represents all of her students in her class?

• 2g

• g

• g2

• g/2