Exercise

Author:NCERT

NCERT Mathematics Solutions for Exercise

Simple step-by-step solutions to Exercise questions of Quadratic Equations from Mathematics Textbook of Competency Based Questions for Class X. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from Exercise with Hints & Solutions

HARD
10th CBSE
IMPORTANT

p and q are the zeroes of a polynomial 2x2+5x-4. Without finding the actual values of p and q, evaluate 1-p1-q. Show your steps.

MEDIUM
10th CBSE
IMPORTANT

Two polynomials are shown in the graph below. Find the number of zeroes that are common to both polynomials. Explain your answer.

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HARD
10th CBSE
IMPORTANT

x2-32x+4x-2;  x2

At how many points does the graph of the above expression intersect the x axis? Show your work.

HARD
10th CBSE
IMPORTANT

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Write a quadratic polynomial whose sum of zeroes is less than that of polynomial 

HARD
10th CBSE
IMPORTANT

Shown below is a part of the graph of a polynomial hx

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On dividing hx by which of the following, the remainder will be zero?

i x-2

ii x+2

iii x-4

iv x+4

HARD
10th CBSE
IMPORTANT

Shown below are the parts of graphs of two polynomials, gx and hx. When hx is divided by x-3, the remainder is k

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Which of these is true for the remainder when gx is divided by x-3?

HARD
10th CBSE
IMPORTANT

If a(70a-12b+2c)>0 and the quadratic equation ax2+bx+c=0 real roots α and β, then which of the following statements is always false?

MEDIUM
10th CBSE
IMPORTANT

A graph of a cubic polynomial is plotted on a graph paper.

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What is the sum of the roots of the polynomial?