Question

The work of a student to find the dimensions of a rectangle of area 8 + 12x and width 4 is shown below:

Step 1: 8 + 12x
Step 2: 4(2) + 4x(2)
Step 3: 4(4 + 8x)
Step 4: Dimensions of the rectangle are 4 and 4 + 8x

In which step did the student first make an error and what is the correct step?

Step 2; 4(2) + 4x(2)
Step 2; 4(2) + 4(3x)
Step 3; 4 + (4 + 8x)
Step 3; 4 + (4 ⋅ 8x)

Answer 1

@pooja195

Answer 2

3

Answer 3

answer 3 or step three?

Answer 4

Step 3, it took4/in fact or but did not really device properly

Answer 5

there ae two answers that contain step 3 which one?

Answer 6

@Ahmad-nedal

Answer 7

I'm wondering where did the latter (4+(4.8x)) come from:/. It's so irrelevant to the analysis. In fact both are wrong

Answer 8

well yes but what was his FIRST mistake

Answer 9

Lol this is the funniest question ever. You are right, step 2 is also wrong. It should be 4x*3 not 4x*2

Answer 10

lol I know right? So which one do you think it is I think B .....Is it A,B,C, OR D?

Answer 11

The first line in the choices is the wrong step, the next line is the correction. You are I asked for both I guess