subject
Mathematics, 12.03.2021 04:50 cuki96

Andrew solved the equation x2 + 6x = -3 using the steps below.
Step 1: x2 + 6x + 9 = -3 + 9
Step 2: (x + 3)2 = 6
Step 3: x + 3 = +V6
Step 4: x = 3 + VC
In which step did Andrew make a
mistake?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?
Answers: 2
question
Mathematics, 21.06.2019 20:00
Given the equation y − 4 = three fourths(x + 8) in point-slope form, identify the equation of the same line in standard form. −three fourthsx + y = 10 3x − 4y = −40 y = three fourthsx + 12 y = three fourthsx + 10
Answers: 1
question
Mathematics, 22.06.2019 00:40
Can you divide 25 into 4 equal groups? explain why or why not.
Answers: 1
question
Mathematics, 22.06.2019 01:00
The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?
Answers: 2
You know the right answer?
Andrew solved the equation x2 + 6x = -3 using the steps below.
Step 1: x2 + 6x + 9 = -3 + 9
Questions
question
Mathematics, 14.02.2020 05:56
Questions on the website: 13722363