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India
Class IX

Solving for Zeroes and Coefficients

Interactive practice questions

Consider the function $y=x^2+10x+21$y=x2+10x+21.

Determine the zeros of the function. Write all solutions on the same line separated by a comma.

Easy
1min

Solve the following equation:

$\left(x^2-16\right)\left(x^2+12x+36\right)=0$(x216)(x2+12x+36)=0

Easy
1min

Solve the following equation:

$x^4-16x^2=0$x416x2=0

Easy
1min

Solve the following equation:

$64x^4-81x^2=0$64x481x2=0

Easy
2min
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Outcomes

9.A.P.1

Definition of a polynomial in one variable, its coefficients, with examples and counterexamples, its terms, zero polynomial. Degree of a polynomial. Constant, linear, quadratic, cubic polynomials; monomials, binomials, trinomials. Factors and multiples. Zeros/roots of a polynomial/equation.

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