A square can be changed into a rectangle by increasing the width by 3 units. Which expression represents the area of the rectang

Question

Sladkaya [172]

2 years ago

8

A square can be changed into a rectangle by increasing the width by 3 units. Which expression represents the area of the rectang

le in square units? (A) x^2+8x+15 (B) x2+15 (C) 2x +8 (D) 2x+15

Mathematics

1 answer:

hjlf · Answer 1 · 2022-02-24T12:10:29+03:00

hjlf2 years ago

5 0

Letting x be the side-length of the square, the new rectangle has length x and width x+3. Thus, the area is (x)(x+3)=x^2+3x. This is not an answer choice.