7.5 Factoring trinomials with a leading 1 Homework Day 2

Posljednje ažuriranje over 2 years ago

Napomena autora:

If a polynomial cannot be factored, write "prime".

Instrukcije

MODELING REAL LIFE

A dentist’s office and parking lot are on a rectangular piece of land. The area (in square meters) of the land is represented by x^{2} + x − 30.

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\bold{a)} Write a binomial that represents the width of

the land. (hint: factor the area first)

\bold{b)} Find the perimeter of the land when the length

of the dentist’s office is 20 meters.

Posljednje ažuriranje over 2 years ago

Napomena autora:

Instrukcije

MODELING REAL LIFE

A dentist’s office and parking lot are on a rectangular piece of land. The area (in square meters) of the land is represented by x^{2} + x − 30.

null

\bold{a)} Write a binomial that represents the width of

the land. (hint: factor the area first)

\bold{b)} Find the perimeter of the land when the length

of the dentist’s office is 20 meters.

Solve the equation. Do not include the variable in the solution.

n^{2} − 9n + 18 = 0

smaller root

larger root

Solve the equation. Do not include the variable in the solution.

x^{2} + 5x − 14 = 0

smaller root

larger root

Solve the equation. Do not include the variable in the solution.

b^{2} + 5 = 8b − 10

smaller root

larger root

MODELING REAL LIFE

You are decorating a parade fl oat for a Cinco de Mayo parade. The area of the entire parade float is 192 square feet. What is the area

covered by paper flowers?

Area of a rectangle: A = lw

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ft^2