ACT - MATH

ACT - MATH

Assessment

Flashcard

Mathematics

9th Grade

Practice Problem

Hard

CCSS
3.MD.C.7B, 8.EE.B.5, 8.G.B.8

+12

Standards-aligned

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

2.

FLASHCARD QUESTION

Front

How do you calculate the slope of a line given two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

3.

FLASHCARD QUESTION

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Tags

CCSS.8.G.B.8

4.

FLASHCARD QUESTION

Front

What is the quadratic formula used for?

Back

To find the roots of a quadratic equation ax² + bx + c = 0, the formula is x = (-b ± √(b² - 4ac)) / (2a).

Tags

CCSS.HSA-REI.B.4B

5.

FLASHCARD QUESTION

Front

What is the difference between mean, median, and mode?

Back

Mean is the average, median is the middle value, and mode is the most frequently occurring value in a data set.

Tags

CCSS.6.SP.B.5C

6.

FLASHCARD QUESTION

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

7.

FLASHCARD QUESTION

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Tags

CCSS.7.G.B.4

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