Class X

Further applications

Lesson

Practice

Interactive practice questions

Solve the following equation for $b$b using the PSF method of factorisation: $15-11b-12b^2=0$15−11b−12b2=0

Write all solutions in fraction form, on the same line separated by commas.

Easy

3min

Solve the following quadratic equation:

$20x^2-24x+1=-5x^2-4x-3$20x2−24x+1=−5x2−4x−3

Easy

2min

Solve for the unknown, leaving your answer in exact form.

$-3x=\left(3x+5\right)\left(x-1\right)$−3x=(3x+5)(x−1)

Easy

3min

The sum of two integers is $70$70.

Easy

3min

Outcomes

10.A.QE.1

Standard form of a quadratic equation ax^2 + bx + c = 0, (a ≠0). Solution of quadratic equations (only real roots) by factorization and by completing the square, i.e., by using quadratic formula. Relationship between discriminant and nature of roots. Problems related to day-to-day activities to be incorporated

Further applications

Interactive practice questions

Outcomes

10.A.QE.1

What is Mathspace

About Mathspace