DUA 3 Rvw

DUA 3 Rvw

Assessment

Flashcard

Mathematics

7th Grade

Hard

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8 questions

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1.

FLASHCARD QUESTION

Front

What is the equation to find the number of cups of sugar (y) needed for x cups of flour if the ratio is 2/3 cup of sugar for every 1 cup of flour?

Back

y = (2/3)x

2.

FLASHCARD QUESTION

Front

What is the equation to find the number of cups of pecans (y) needed for x cups of dried fruit if the ratio is 1/4 cup of pecans for every 1 cup of dried fruit?

Back

y = (1/4)x

3.

FLASHCARD QUESTION

Front

What is the probability of rolling a number greater than 4 on a fair die?

Back

\frac{1}{3}

4.

FLASHCARD QUESTION

Front

Define a ratio in mathematics.

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

5.

FLASHCARD QUESTION

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed. It has the form y = mx + b.

6.

FLASHCARD QUESTION

Front

What does the slope (m) represent in a linear equation?

Back

The slope represents the rate of change of y with respect to x.

7.

FLASHCARD QUESTION

Front

What is the meaning of probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

8.

FLASHCARD QUESTION

Front

What is the formula for calculating probability?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes)