Review Questions

Review Questions

Assessment

Flashcard

Mathematics

9th Grade

Practice Problem

Hard

CCSS
HSF.BF.A.2, 8.EE.C.8A, HSG.GPE.A.1

+8

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the formula to find the center of a circle given its diameter endpoints?

Back

The center of a circle can be found using the formula: \( C = \left( \frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2} \right) \) where \( (x_1, y_1) \) and \( (x_2, y_2) \) are the endpoints of the diameter.

Tags

CCSS.HSG.GPE.A.1

2.

FLASHCARD QUESTION

Front

How do you calculate the area of a rectangle?

Back

The area of a rectangle is calculated using the formula: \( A = \text{length} \times \text{width} \).

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

3.

FLASHCARD QUESTION

Front

What is the formula for the area of a rectangle with variable dimensions?

Back

For a rectangle with dimensions \( (10x + 4) \) ft long and \( (7x) \) ft wide, the area is: \( A = (10x + 4)(7x) = 70x^2 + 28x \) square feet.

Tags

CCSS.HSA.APR.A.1

4.

FLASHCARD QUESTION

Front

What is a linear sequence?

Back

A linear sequence is a sequence of numbers in which the difference between consecutive terms is constant.

Tags

CCSS.HSF.BF.A.2

5.

FLASHCARD QUESTION

Front

How do you find the nth term of a linear sequence?

Back

The nth term of a linear sequence can be found using the formula: \( a_n = a_1 + (n - 1)d \) where \( d \) is the common difference.

Tags

CCSS.HSF.BF.A.2

6.

FLASHCARD QUESTION

Front

What is the formula for the nth term of Becky's earnings?

Back

Becky's earnings can be modeled by the formula: \( a_n = 42.5n + 307.5 \).

Tags

CCSS.HSF.BF.A.2

7.

FLASHCARD QUESTION

Front

What is function subtraction?

Back

Function subtraction involves subtracting the output of one function from another, represented as: \( h(x) = f(x) - g(x) \).

Tags

CCSS.HSF-BF.A.1B

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