Substituting into expressions

Substituting into expressions

Assessment

Flashcard

Mathematics

8th - 9th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

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.

2.

FLASHCARD QUESTION

Front

Evaluate the expression a + 2c when a = -2 and c = -4.

Back

-10

3.

FLASHCARD QUESTION

Front

What does the expression rs² + pq³ represent?

Back

It represents a mathematical expression where r and s are multiplied, s is squared, and p and q are multiplied with q cubed.

4.

FLASHCARD QUESTION

Front

Evaluate the expression 2(x³ - z²) when x = 2 and z = -1.

Back

18

5.

FLASHCARD QUESTION

Front

What is the result of h(2f + g) when h = -2, f = 2, and g = -4?

Back

0

6.

FLASHCARD QUESTION

Front

How do you simplify the expression (ef)/h - g?

Back

First, calculate ef, then divide by h, and finally subtract g.

7.

FLASHCARD QUESTION

Front

Evaluate the expression rs² + pq³ when p = 2, q = -3, r = 4, and s = -5.

Back

46

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