Math Vocabulary
What do we call the number multiplied by a variable, such as the 5 in 5x?
What is Coefficient
Factor:
x2+8x+7
(x+1)(x+7)
Factor:
x2-9x+20
(x-4)(x-5)
Factor and solve:
x2+3x+2=0
(x+1)(x+2)=0;
x=-1 or -2
Write in Standard form:
n2-5n=24
n2-5n-24=0
What do we call the result of addition?
What is Sum
Factor:
x2+7x+12
(x+3)(x+4)
Factor:
x2-2x-15
(x-5)(x+3)
Factor and solve:
x2-9x+18=0
(x-3)(x-6)=0;
x=3 or 6
Write in standard form:
a2+5a-20=30
a2+5a-50=0
What do we call a term without a variable, such as the 7 in x2+3x+7?
What is Constant
Factor:
n2+11n+30
(x+5)(x+6)
Factor:
d2-10d+24
(d-4)(d-6)
Factor and solve:
x2+2x=15
(x-3)(x+5)=0;
x= 3 or -5
Write in standard form:
y2-2y-8=7
y2-2y-15=0
What do we call the results of multiplication?
What is Product
Factor:
x2+9x+18
(x+3)(x+6)
Factor:
w2-17w+72
(w-8)(w-9)
Factor and solve:
y2-2y-8=7
(y+3)(y-5)=0;
y=-3 or 5
Write in standard form:
m2+10=15m-34
m2-15m+44=0
Give an example of a quadratic polynomial written in factored form.
Ex: (x+2)(x+4)
EX: (x+1)(x+3)
Ex: (x-4)(x-5)
Factor:
y2+13y+40
(y+5)(y+8)
Factor:
x2-13x+42
(x-6)(x-7)
Factor and solve:
b2+5b=8b-10
(b-3)(b-5)=0;
b=3 or 5
Write in standard form:
b2+5=8b-10
b2-8b+15=0