multiply a polynomial by a monomial honors math – grade 8
TRANSCRIPT
Multiply a Polynomial by a MonomialHonors Math – Grade 8
Simplify )42(3 24322 abbaba
Simplify )74(5 72443 yxyxyx
Simplify2
33
20
3)5(40
xyxyyx
Simplify
)74()(2 322322 uvvuvuvuvuuv
GEOMETRY Express the area of the triangle as a monomial.
4ab5
3a4b
bhArea2
1
)3)(4(2
1 45 baabA
))()(342
1( 54 bbaaA
656 baA
Formula for area of a square.
Replace b and h with 4ab5 & 3a4b
Group the coefficients and the variables.
Product of Powers
The area of the triangle is 6a5b6 square units.
GEOMETRY Express the area of the circle as a monomial.
2rArea 24 )7( xA
242 ))(7( xA
8154xA
Formula for area of a square.
Replace r with 7x4
Group the coefficients and the variables.
Product of Powers
The area of the circle is 154x8 square units.
7x4
7
2214.3 ))(49(
7
22 8xA
)49( 8xA
GEOMETRY Write a polynomial in simplest form to express the shaded area.
5x + 2y
3x-3y
x 3x