Polynomials: District 1
Expand. Your answer should be a polynomial in standard form. (-4c+1)(4c+1)=
-16c²+1
Multiply. Your answer should be a monomial in standard form. (p⁸)(-2p²)
-2p¹⁰
Expand. Your answer should be a polynomial in standard form. -4w(w²-9)=
-4w³+36w
Subtract. Your answer should be a polynomial in standard form. (-4x⁴+6x²+3) -(5x²-3)=
-4x⁴+x²+6
Subtract 9x⁴-x²y²-5y⁴ from 3x⁴ +2x²y²-7y⁴ Your answer should be a polynomial in standard form.
-6x⁴ +3x²y²-2y⁴
A rectangle has a length of 4b² + 2b + 6 and a width of 3. What is the area?
12b² + 6b + 18
Expand. Your answer should be a polynomial in standard form. (4m-7p)(4m-7p)
16m²-56mp+49p²
Express the area of a rectangle with length 4x³ and width 5 as a monomial.
20x³
Expand. Your answer should be a polynomial in standard form. 6n²t(4nt-3nt³)=
24n³t²-18n³t⁴
Solve. Your answer should be a polynomial in standard form. (3a²-1)+(-3a²+5)
4
Add. Your answer should be a polynomial in standard form. (-8y²-9y) +(8y³+9y²-2y)=
8y³+y²-11y
Isatou tried to subtract two polynomials. Her work is shown below: (3c²-5cd+d²)- (7c²+4cd-9d²) Step 1 = 3c²-5cd+d²-7c²+4cd-9d² Step 2 =(3-7)c² +(-5+4)cd+(1-9)d² Step 3: =-4c²-cd-8d² At which step did Isatou make an error, if at all? Choose 1 answer: A. Step 1 B. Step 2 C. Step 3 D. She didn't make an error
A
6x²+7x³+8x⁵+9 What is the degree of the polynomial?
Fifth Degree
Expand and simplify. (x-2)(x+5)=
x² + 3x-10
Expand. Your answer should be a polynomial in standard form. (x+6)(x+6)=
x²+12x+36
A rectangle has a length of x+6 and a width of x + 2. What is the area?
x²+8x+12