Chapter 3: Q.7 (page 166)

What is the value of $\frac{x^{2}}{y}$ when $x = - 4$ & $y = - 2$ ?
$- 8$
$- \frac{1}{8}$
$\frac{1}{8}$
$8$

Short Answer

Expert verified

The correct answer of this question is $A . - 8$

Step by step solution

Step 1. Apply the concept of putting the given value of x and y

In this, simply use the concept of putting the given value of x& yin the equation to get the correct answer.

Step 2. Find the solution of the equation

Here, the expression is simplified as:

$\frac{x^{2}}{y} = \frac{{(- 4)}^{2}}{\begin{array}{l} - 2 \\ = \frac{16}{\begin{array}{l} - 2 \\ - 8 \end{array}} \end{array}}$ ( putrole="math" localid="1651690317420" $x = - 4$ &role="math" localid="1651690390868" $y = - 2$ )

Step 3. Eliminating the options to get correct one

$- 8$ It is the correct option because after putting the given value of x, yand z the answer is equal to $- 8$
$\frac{- 1}{8}$ It is the incorrect option because after putting the given value of xand ythe answer is not equal to $\frac{- 1}{8}$
$\frac{1}{8}$ It is the incorrect option because after putting the given value of xand y the answer is not equal to $\frac{1}{8}$
$8$ It is the incorrect option because after putting the given value of x and y the answer is not equal to $8$

Unlock Step-by-Step Solutions & Ace Your Exams!

Full Textbook Solutions
Get detailed explanations and key concepts
Unlimited Al creation
Al flashcards, explanations, exams and more...
Ads-free access
To over 500 millions flashcards
Money-back guarantee
We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

What is the value of $\frac{x^{2}}{y}$ when $x = - 4$ & $y = - 2$ ?
$- 8$
$- \frac{1}{8}$
$\frac{1}{8}$
$8$

Short Answer

Step by step solution

Step 1. Apply the concept of putting the given value of x and y

Step 2. Find the solution of the equation

Step 3. Eliminating the options to get correct one

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Geometry

Logic and Functions

Calculus

Applied Mathematics

Pure Maths

Probability and Statistics

Study anywhere. Anytime. Across all devices.

What is the value of x2y when x=-4& y=-2?-8-18188

Short Answer

Step by step solution

Step 1. Apply the concept of putting the given value of x and y

Step 2. Find the solution of the equation

Step 3. Eliminating the options to get correct one

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Geometry

Logic and Functions

Calculus

Applied Mathematics

Pure Maths

Probability and Statistics

Study anywhere. Anytime. Across all devices.

What is the value of $\frac{x^{2}}{y}$ when $x = - 4$ & $y = - 2$ ?
$- 8$
$- \frac{1}{8}$
$\frac{1}{8}$
$8$