Class X Chapter 4 Part 1 Lesson

3 Slides • 3 Questions

Class - X Chapter-4 QUADRATIC EQUATIONS

PART-- 1 Let's start

Standard form of quadratic equations:

Any equation of the form p(x)= 0, p(x) is a polynomial of degree 2, is a quadratic equation.
In descending order of their degrees we get ax² +bx +c = 0 where 'a' is not equal to (zero) '0'.
Therefore, ax² + bx + c = 0 is the standard form of quadratic equation.

Multiple Choice

1.(2x-4) (3x+5) = 5x (20x+5) the answer will be:------

95x² - 22x + 20 = 0

-94x² -22x - 20 = 0

-94x² - 22x - 20 = 0

94x² -22x + 20 = 0

Multiple Choice

2.Check whether it is a quadratic equation or not :---

x (x+7) + 5 = (x+4) (x-4)

Yes, it it is a quadratic equation.

No, it is not in the form of quadratic equation.

Multiple Choice

3.Check whether it is a quadratic equation or not:-----

(x+4)³ = x³ - 5

Yes. it is in the form of quadratic equation.

No, it is not in the form of quadratic equation.

THANKYOU

See you in the next slide

Class - X Chapter-4 QUADRATIC EQUATIONS

PART-- 1 Let's start

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