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 + 12xStep 2: 4(2) + 4x(2)Step 3: 4(4 + 8x)Step 4: Dimensions of the rectangle are 4 and 4 + 8xIn 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 + (48X)
Accepted Solution
A:
Answer:Step-by-step explanation:Option 3rd is correctStep-by-step explanation:Area of a rectangle is given by:wherel is the length and w is the width of the rectangle As per the statement:To find the dimensions of a rectangle of area 8 + 16x and width 4 .Step 1.Step 2.Step 3.Step 4.Dimensions of the rectangle are 4 and 2+ 4xSince, the student make an error in the Step 2Therefore, the correct step is, 4(2) + 4(4x)