Problem : How many terms do the following expressions have?
a) 17x^{2} + 4xy + 2y
b) 2y + 4 - 6y + x^{2}
c) 8y^{6}
d) 3xyz + 4yz + 2xz + z^{2} - xz
a) 3
b) 4
c) 1
d) 5
Problem : In the expression 5x + 3x^{2} - xy - 5z + z^{3}, what is the coefficient of...
a) x ?
b) z ?
c) z^{3} ?
d) x^{2} ?
e) xy ?
f) z^{2} ?
a) 5
b) -5
c) 1
d) 3
e) -1
f) 0
Problem : What is the constant in the expression 4x^{2} + 5 + x?
5
Problem : Simplify 5x^{2} + x^{3} -4x^{2} + x + 6 - 4 + x^{2} - 3x by combining like terms.
x^{3} +2x^{2} - 2x + 2
Problem : Simplify 7y + 14xy - 3y - 4y - 6x^{2} - 2xy by combining like terms.
-6x^{2} + 12xy
Problem : Simplify 14 + x + 8x^{2} -6 - x + 5x^{2} by combining like terms.
13x^{2} - x + 8