Factoring Quadratics: Real-Life Applications for 9th Graders
Quiz
•
English, Mathematics
•
9th Grade
•
Hard
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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