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India
Class X

Writing a Function from its Zeroes

Interactive practice questions

Find the quadratic equation that has solutions of $2+\sqrt{7}$2+7 and $2-\sqrt{7}$27, and a leading coefficient of $1$1.

Give your final answer in the form $ax^2+bx+c=0$ax2+bx+c=0.

Easy
5min

Determine the equation of a parabola whose $x$x-intercepts are $-10$10 and $4$4, and whose $y$y-intercept is $-40$40.

Easy
3min

A parabola has equation of the form $y=\left(x-a\right)\left(x-b\right)$y=(xa)(xb).

Easy
3min

The cubic function that has been graphed passes through the point $\left(1,8\right)$(1,8). Find, in factorised form, the equation of the cubic function $y$y.

Let the leading coefficient be $a$a if necessary.

Easy
5min
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Outcomes

10.A.P.1

Zeros of a polynomial. Relationship between zeros and coefficients of a polynomial with particular reference to quadratic polynomials. Statement and simple problems on division algorithm for polynomials with real coefficients.

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