A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
A day full of math games & activities. Find one near you.
Which of the following shows the factors of 9x2 + 3x - 2?
(3x - 1)(3x - 2)
(3x + 1)(3x - 2)
(3x + 2)(3x - 1)
(9x - 2)(x + 1)
Solution:
Factors of the quadratic expression are generally the linear terms whose product will be given quadratic expression.
Given, 9x2 + 3x - 2
⇒ 9x2 + 6x - 3x - 2
⇒ 3x(3x + 2) -1(3x + 2)
⇒ (3x - 1)(3x + 2)
Example: Find the factors of 10x² + 41x + 21
Given, 10x² + 41x + 21
⇒ 10x² + 35x + 6x + 21
⇒ 5x (2x + 7) + 3(2x + 7)
⇒ (2x +7)(5x +3)
Which of the following shows the factors of 9x2 + 3x - 2?
Summary:
The factors of 9x2 + 3x - 2 is (3x - 1)(3x + 2)
Math worksheets and
visual curriculum
visual curriculum