Solving Word Problems Involving Quadratic Equations

Solving Word Problems Involving Quadratic Equations

9th Grade

14 Qs

quiz-placeholder

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Solving Word Problems Involving Quadratic Equations

Solving Word Problems Involving Quadratic Equations

Assessment

Quiz

Mathematics

9th Grade

Hard

CCSS
8.EE.A.2, HSA-REI.B.4B

Standards-aligned

Created by

Anthony Clark

Used 2+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Translate: The square of a number is one hundred fifty more than five times a number.

x2 = 5x + 150

x2 = 5x + 50

2x = 5x + 150

x2 = 5x + 15

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Translate " four less than the square of a number is negative eight" into mathematical equation.

x2 - 4 = -8

x2 + 4 = -8

2x - 4 = -8

2x + 4 = -8

Tags

CCSS.8.EE.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ate Marwin and Ate Daisy are both working on the school canteen. Together they can finish cleaning the canteen in 4 hours. It takes ate Marwin working alone in 6 hours longer than it takes Ate Daisy working alone. Determine the quadratic equation formed on the given problem.

x2 + 6x + 12 = 0

x2 + 2x + 24 = 0

x2 - 6x + 12 = 0

x2 – 2x – 24 = 0

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The sum of a number and its square is 72. Find the number(s).

8 or 9

8 or -9

-8 or 9

-8 or -9

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The sum of the square of two consecutive positive integers is 85. Write a quadratic equation.

x2 + x - 1 = 85

x2 + x + 1 = 85

x2 + x - 42 = 0

x2 + x + 42 = 0

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

One number is 3 more than another. The sum of their squares is 149. Find the numbers.

4 and 7; -4 and -7

5 and 8; -5 and -8

6 and 9; -6 and -9

7 and 10, -7 and -10

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The sum of a number and its square is 72. Find the number.

8 or 9

8 or -9

-8 or 9

-8 or -9

Tags

CCSS.8.EE.A.2

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