Algebra Chapter 5 a, b, c

Front

Coefficient:

Back

the number before the letter

Front

7y + 10: Coefficient of y?

Back

7

Answer explanation

The coefficient is the number in front of the pronumeral (the letter).

This means the y is the pronumeral, and therefore 7 is the coefficient

Front

Terms in the expression: 15nw + 21n + 15

Back

3

Front

Two expressions are equivalent if:

Back

They are always equal.

Answer explanation

Equivalent expressions produce the same answer once the pronumeral has been replaced with a number.

These expressions can include different terms, as long as they include the same pronumberal

Front

Equivalent to 3a+5?

Back

7a+5-4a

Front

17-2y for y=10

Back

17-2x10

Answer explanation

when substituting pronumerals, remember to add in a multiplication between the coeffect and the substituted number.

Example; if y=10

2y becomes 2x10

Front

Constant term in 7a + 4b + c + 9?

Back

9

Front

Substitute a=5, b=2. Complete: 3a+b=

Back

17

Front

1 more than y as an expression?

Back

y+1

Front

Describe 7a in words.

Back

7 lots of a