Substitution - Graded FlashcardIzz

Front

What is substitution in mathematics?

Back

Substitution is the process of replacing a variable in an expression with a specific value to evaluate the expression.

Front

Evaluate the expression y + x - z when x = 3, y = -2, and z = -4.

Back

-3

Front

If a = 4 and b = 6, what is the value of 3a + 5b?

Back

42

Front

Substitute x = 5 into the expression 4x + 5.

Back

25

Front

What is the sum of a, b, c, and d if a = 2, b = 3, c = 4, and d = 5?

Back

14

Front

Substitute x = 3 into the expression x + 5.

Back

8

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with their respective values.

Front

What is the result of substituting x = 0 into the expression 2x + 3?

Back

3

Front

If x = 1, what is the value of the expression 3x^2 + 2x - 5?

Back

0

Front

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

Back

18