Factoring Quadratics: Real-Life Applications for 9th Graders

Factoring Quadratics: Real-Life Applications for 9th Graders

9th Grade

10 Qs

quiz-placeholder

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Factoring Quadratics: Real-Life Applications for 9th Graders

Factoring Quadratics: Real-Life Applications for 9th Graders

Assessment

Quiz

English, Mathematics

9th Grade

Hard

Created by

Anthony Clark

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A rectangular garden has a length that is 3 meters longer than its width. If the area of the garden is 70 square meters, find the dimensions of the garden by factoring the quadratic equation.

Width: 7 meters, Length: 10 meters

Width: 6 meters, Length: 9 meters

Width: 8 meters, Length: 11 meters

Width: 5 meters, Length: 8 meters

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ball is thrown upwards from a height of 1.5 meters with an initial velocity of 10 meters per second. The height of the ball in meters after t seconds is given by the equation h(t) = -5t^2 + 10t + 1.5. Find the time when the ball hits the ground by factoring.

2 seconds

4 seconds

3 seconds

5 seconds

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The product of two consecutive integers is 72. Find the integers by setting up and factoring a quadratic equation.

7 and 8

6 and 7

9 and 10

8 and 9

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A company produces x units of a product, and the profit in dollars is given by the equation P(x) = -2x^2 + 40x - 96. Determine the number of units that need to be produced to maximize profit by factoring the quadratic equation.

8

6

12

10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The area of a triangle is given by the formula A = 1/2 * base * height. If the base is 4 meters longer than the height and the area is 48 square meters, find the dimensions of the triangle by factoring the resulting quadratic equation.

Height: 5 meters, Base: 9 meters

Height: 8 meters, Base: 12 meters

Height: 10 meters, Base: 14 meters

Height: 6 meters, Base: 10 meters

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A rectangular pool has a length that is twice its width. If the area of the pool is 288 square meters, find the dimensions of the pool by factoring the quadratic equation.

Width: 10 meters, Length: 20 meters

Width: 15 meters, Length: 30 meters

Width: 12 meters, Length: 24 meters

Width: 8 meters, Length: 16 meters

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A projectile is launched from the ground with an initial velocity of 20 meters per second. The height of the projectile after t seconds is given by h(t) = -5t^2 + 20t. Find the time when the projectile reaches its maximum height by factoring the quadratic equation.

4 seconds

2 seconds

3 seconds

1 second

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