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3 years ago

Suppose two rectangles have the same area. Must they have the same length and width? Explain.

Mathematics

1 answer:

Monica [59]3 years ago

5 0

Answer:

Step-by-step explanation:

Two rectangles having the same area do not need to have the same length and width. The length and width of the rectangle are just factor pairs of the number that is the area. For example, if the area was 12, the side lengths would be 1 and 12, 2 and 6, or 3 and 4. As you can see, those aren't the same lengths and widths. A rectangle may be 1x12 and another may be 3x4, but they have the same area.

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3 years ago

Determine the type and number of solutions of −4x^2 − 4x − 1 = 0

user100 [1]

The question is about types and number of soultions so you must use b^2-4ac which is the experssion under the root in the quadratic formula
so
if
b^2-4ac=0 then there is one real soultion
if
b^2-4ac<0 then there are two imaginary soultions that differ in the sign between them
if
b^2-4ac>0 then there are two real soultions
so a polynomial is written in the form
ax^2+bx+c=0
so a=-4
b=-4
c=-1
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type:real
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3 years ago

Suppose two rectangles have the same area. Must they have the same length and width? Explain.​

Suppose two rectangles have the same area. Must they have the same length and width? Explain.