Class 11 Mathematics - Conic Sections - Standard equations and simple properties of a Parabola Expert Quiz

Level 34 • 1/50 questions • 25 seconds per question.

Level readiness 1/50 Questions
Time Left 00:25 25 sec/question
RewardsCoins + XP
ModeClassic Quiz
Share
This level needs 49 more active questions. Admin panel me same class, subject, difficulty aur level_no 34 par question add karein.
Question 1 / 1 0 score
Answered 0/1 Correct 0 Time 00:25

परवलय \(y=(x+2)^2-7\) की सममिति-अक्ष क्या है?

What is the axis of symmetry of the parabola \(y=(x+2)^2-7\)?

Explanation opens after your attempt
Correct Answer

A. \(x=-2\)

Explanation

Simple Explanation

शीर्ष-रूप \(y=(x-h)^2+k\) में परवलय की सममिति-अक्ष \(x=h\) होती है। यहाँ \(y=(x-(-2))^2-7\), इसलिए \(h=-2\) और सममिति-अक्ष \(x=-2\) है। \(y=-7\) शीर्ष का y-निर्देशांक है, सममिति-अक्ष नहीं। परीक्षा-टिप: कोष्ठक के भीतर \(x\) के साथ लिखे पद का चिह्न उलटकर \(h\) पहचानें। / For a parabola in vertex form \(y=(x-h)^2+k\), the axis of symmetry is \(x=h\). Here, \(y=(x-(-2))^2-7\), so \(h=-2\), giving the axis \(x=-2\). The value \(y=-7\) is the vertex's y-coordinate, not the axis of symmetry. Exam tip: reverse the sign of the constant appearing with \(x\) inside the square to identify \(h\).

Open Question Page
Ask Friends
FAQs

Class 11 Mathematics Quiz FAQs

How many questions are in this quiz?

This level is designed for 50 active questions. Currently 1 questions are available for the selected class and difficulty.

Is there a timer in this quiz?

Yes, the timer uses 25 seconds per question for Expert difficulty and shows the total remaining time on the page.

Can I open each question separately?

Yes, every question has its own SEO-friendly page with answer, explanation and related practice links.