Class X

Solve quadratics by algebraic manipulation

Lesson

Practice

Interactive practice questions

Solve the equation $x^2=25$x2=25.

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

Easy

< 1min

Solve the following equation for $x$x:

$x^2=81$x2=81

Easy

< 1min

If $u^2=d$u2=d, what does the square root property state that $u$u is equal to?

Easy

1min

A quadratic equation has solutions $x=\pm5$x=±5. What must the equation be?

Easy

< 1min

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

Solve quadratics by algebraic manipulation

Interactive practice questions

Outcomes

10.A.QE.1

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