Substitute and Evaluate Expressions

Front

What does it mean to substitute in an expression?

Back

Substituting in an expression means replacing a variable with a specific value to evaluate the expression.

Front

Evaluate the expression: 3x + 5 when x = 2.

Back

11

Front

If a = 4, what does 2(a + 3) equal?

Back

14

Front

What is the first step in evaluating an expression with multiple variables?

Back

Identify and substitute the values of the variables.

Front

Evaluate the expression: 5y - 3 when y = 4.

Back

17

Front

If x = -2, what does x² + 4 equal?

Back

8

Front

Evaluate the expression: 4(x - 1) + 6 when x = 3.

Back

14

Front

What is the result of substituting p = 0 in the expression 5p + 10?

Back

10

Front

Evaluate the expression: 2m + 3n when m = 1 and n = 2.

Back

8

Front

If z = 5, what does 3z - 2 equal?

Back

13