/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 112 E Solve the equation y2+8y=48聽by ... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 9: Q. 112 E (page 886)

Solve the equation y2+8y=48by completing the square and explain all your steps.

Short Answer

Expert verified

The solution isy=-12,y=4

Step by step solution

01

Step 1. Given information

Equation:y2+8y=48

02

Step 2. Calculation 

We have,

y2+8y=48

y2+8y+12路82=48+12路82 take half of 8 and square it, then add to both sides

y2+8y+16=48+16

y+42=64 factor the perfect square trinomial

y+42=64 using square root property

y+4=卤8 simplify

y+4-4=-8-4,y+4-4=8-4

y=-12,y=4

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.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

The product of two consecutive even integers is 168. Find the integers.

Solve using the square root property.

y-232=29

A triangle with area 45 square inches has a height that is two less than four times the base Find the base and height of the triangle.

A rectangular piece of plywood has a diagonal which measures two feet more than the width. The length of the plywood is twice the width. What is the length of the plywood's diagonal? Round to the nearest tenth.

A firework rocket is shot upward at a rate of 640 ft/sec. Use the projectile formula h=-16t2+votto determine when the height of the firework rocket will be 1200 feet.
See all solutions

Recommended explanations on Math Textbooks

Mechanics Maths

Read Explanation

Pure Maths

Read Explanation

Theoretical and Mathematical Physics

Read Explanation

Statistics

Read Explanation

Probability and Statistics

Read Explanation

Geometry

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.