Question

Which of the following is the first incorrect step?
Step 4
Step 6
Step 7
Step 8

Answer 1

Step 1 ax2 + bx + c = 0
Step 2 ax2 + bx = − c
Step 3 x2 + b over a times x equals negative c over a
Step 4 x2 + b over a times x plus b squared over 4 times a squared equals negative c over a plus b squared over 4 times a squared
Step 5 x2 + b over a times x plus b squared over 4 times a squared equals negative 4 multiplied by a multiplied by c, all over 4 multiplied by a squared plus b squared over 4 times a squared
Step 6 the square of the quantity x plus b over 2 times a equals b squared minus 4 multiplied by a multiplied by c, all over 4 times a squared
Step 7 x plus b over 2 times a equals plus or minus square root of the quantity b squared minus 4 times a times c over 4 times a squared equals plus or minus square root of b squared minus 4 times a times c, all divided by 4 times a
Step 8 x = −negative b over 2 times a plus or minus square root of b squared minus 4 times a times c, all divided by 2 times a
Step 9 x = negative b plus or minus square root of b squared minus 4 times a times c, all divided by 2 times a

Answer 2

Plz help someone FAN AND MEDAL

Answer 3

its better if we put em to equation mode lol

Answer 4

Yeah ik but teachers these days I swear they give them like this to me ._.

Answer 5

lol irk XD

Answer 6

step 4 looks like this \[\left[\begin{matrix}x^2+b \\ x+b^2 \\ 4a^2 \end{matrix}\right] = \left[\begin{matrix}-c \\ a+b^2 \\ 4a^2 \end{matrix}\right]\]

Answer 7

idk how to 3 tier the fraction so i used matrix

Answer 8

brb

Answer 9

Did you get the answer to this?

Answer 10

that question successfully confused me

Answer 11

back and yes it confused me too BLAME FLVS

Answer 12

lol I did this question on a test yesterday

Answer 13

Well then can you check your grade book and tell me what you got? XD

Answer 14

Yeah hold on

Answer 15

Step 4 is what I got

Answer 16

XD ok thanks everyone for all

Answer 17

You are welcome

Answer 18

step 5 looks like \[\left[\begin{matrix}x^2+b \\ x+b^2 \\ 4a^2 \end{matrix}\right]=\left[\begin{matrix}-4ac \\ 4a^2+b^2 \\ 4a^2 \end{matrix}\right]\]

Answer 19

Ok

Answer 20

i have no idea about step 6...dat english

Answer 21

mostly just write em down and you can form that fraction

Answer 22

lol and this is supposedly Algebra 1 ._.