Quadratic Equations and Their Solutions

Quadratic Equations and Their Solutions

Assessment

Interactive Video

Mathematics

8th - 10th Grade

Hard

Created by

Ethan Morris

FREE Resource

The video tutorial demonstrates solving a quadratic equation using both the quadratic formula and factoring. Initially, the equation is set up in the standard form, and the quadratic formula is applied to find the solutions. The process involves substitution and simplification, revealing that the solutions are real and rational. The tutorial then verifies these solutions by factoring the equation, confirming the results. The video concludes by emphasizing the versatility of the quadratic formula in solving various types of quadratic equations.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the quadratic equation given in the example?

36x^2 + 49 = 0

49x^2 - 36 = 0

36x^2 - 49 = 0

49x^2 + 36 = 0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the values of A, B, and C in the quadratic equation?

A = 49, B = 0, C = -36

A = 36, B = 1, C = -49

A = 36, B = 0, C = -49

A = 49, B = 1, C = -36

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of the expression -4 * 49 * -36?

5,056

8,056

6,056

7,056

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of the fraction 84/98?

14/12

12/14

7/6

6/7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the square root of 7,056?

64

84

74

94

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the factored form of 49x^2 - 36?

(7x + 6)(7x + 6)

(6x - 7)(6x - 7)

(6x + 7)(6x - 7)

(7x + 6)(7x - 6)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the solutions obtained by factoring the quadratic equation?

x = 7/7 or x = -7/7

x = 6/6 or x = -6/6

x = 7/6 or x = -7/6

x = 6/7 or x = -6/7

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