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.

Front

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

Back

5

Front

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

Back

42

Front

Substitute x = 3 into the expression x + 5.

Back

8

Front

Substitute x = -2 into the expression 2x - 5.

Back

-9

Front

If y = 4, find the value of 3y + 5.

Back

17

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with given numbers.

Front

What is the result of substituting x = 0 into the expression 5x + 3?

Back

3

Front

If x = 1, what is the value of the expression 4x^2 - 2x + 7?

Back

9

Front

What is the value of the expression 2y + 3 when y = 5?

Back

13