evaluate expressions by substitution

Front

Evaluate 4y if y = 3

Back

12

Front

Evaluate m² if m = 5

Back

25

Front

Evaluate 4y – 5 if y = 6

Back

19

Front

Evaluate 2r + 1 if r = 3

Back

7

Front

Evaluate 2(a - 5) + 2 when a = 10

Back

12

Front

What does it mean to evaluate an expression by substitution?

Back

To evaluate an expression by substitution means to replace the variables in the expression with their given values and then perform the calculations.

Front

What is the value of x in the expression 3x + 4 if x = 2?

Back

10

Front

Evaluate 5p - 3 if p = 4

Back

17

Front

What is the result of 6n + 2 when n = 1?

Back

8

Front

Evaluate 7 - 2m if m = 3

Back

1