Using substitution to evaluate expressions

Front

Write an algebraic expression for '12 more than number'.

Back

x + 12

Front

Evaluate 8a - b if a = 10 and b = 6.

Back

74

Front

3 less than a number.

Back

n - 3

Front

Evaluate 6a - 3d when a = 1, d = 2.

Back

0

Front

Which is an algebraic expression?

Back

y + 6

Front

Define an algebraic expression.

Back

An expression that contains numbers, variables, and operations.

Front

What does substitution mean in algebra?

Back

Replacing a variable with a number or another expression.

Front

Evaluate 5x + 2 when x = 3.

Back

17

Front

What is the result of 4y - 5 when y = 2?

Back

3

Front

Write an algebraic expression for 'twice a number decreased by 4'.

Back

2n - 4