Math Vocabulary
What is the sum of 10 and 5?
15
3 + 6 *2
=3+12
=15
Write the expression using the distributive property.
=5(x+4)
=5(x)+5(4)
=5x+20
A letter that represents an unknown number in algebra is called a ________________.
variable
What is the exponent?
x*x*x*x*x=x^?
5
What is the product of 10 and 5?
50
70-2*5^2
=70-2*25
=70-50
=20
Simplify the expression.
7x + 9x
16x
This property of numbers is called the ___________.
a(b +c)=ab+ac
3(2+5)=3*2+3*5
distributive property
What is the exponent?
3^?=81
4
3^4 = 3*3*3*3=81
What is the difference of 10 and 5?
5
=7^2-2^3+6
=49-8+6
=41+6
=47
Simplify the expression.
5x^3-2x^3+7
3x^3+7
Like terms have the same ...
variables and exponents
Evaluate the expression when n=4.
3n^2
=3*4^2
=3*16
=48
What is the quotient of 10 and 5?
2
(4^2-3*2)/2
=(16-3*2)/2
=(16-6)/2
10/2
5
Simplify the expression.
6(x+2)-4x+7
=6x+12-4x+7
=6x-4x+12+7
=2x+19
In this expression, 7 is the ______.
7x^4
coefficient
What is the exponent?
2^?=128
7
2^7=128
What is 5 less than the product of 3 and 6?
13
2[(4+2)^2-6*5]-12/3
=2[6^2-6*5]-12/3
=2[36-6*5]-12/3
=2[36-30]-12/3
=2[6]-12/3
=12-12/3
=12-4
=8
Simplify the expression.
2n^3 + 5n(n^2+3n) - 6n^2+10
=2n^3+5n^3+15n^2-6n^2+10
2n^3+5n^3+15n^2-6n^2+10
7n^3+9n^2+10
Algebra is one type or branch of mathematics. Name at least three other branches of mathematics.
geometry, statistics, probability, trigonometry, calculus, ...
Write this as a decimal. How do you say this number?
10^-3
=1/10^3
=1/1000
=.001