LIKE TERMS
combine like terms: 6a + 4a + 4b + 7
10a +4b+ 7
In an ordered pair, which number equals x and which number equals y?
x is the first number in the pair; y is the second number.
Write 6.12 x 10 to the second power in standard notation
612
Solve for x: x - 9 = 2
11
What is another name for the longest side of a right triangle?
Hypotenuse
Combine like terms: k + 3n - 2n + 4k
5k + n
For x = y/4 is (4,16) an ordered pair?
Yes
Write 0.00852 in scientific notation
8.52 x 10 to the negative third power
Write an expression to represent : x is greater than 11
x > 11
What is the equation for the Pythagorean Theorem?
a squared + b squared = c squared
Combine like terms: 4(y + 9) - 3y
y - 36
For y = 5 + 3x is (3,7) an ordered pair?
No
Write 12,000,000 in scientific notation
1.2 x 10 to the seventh power
Solve for x: x/4 + 7 = 3
x = -16
A 12 oz container of soda has 180 calories. How many calories are in one ounce of the soda?
15
Combine like terms and solve for x: x + 3x = 48
x = 12
For y = 3x, when x =4, what is the ordered pair?
(4, 12)
The population of Taiwan is 2.211325 x 10 to the seventh power. Write this in standard notaion.
22,113,250
Fill in the 3 possible symbols: 6(4) _____ 24
Equals, greater than or equal to, less than or equal to
How do you find the scientific notation of a number?
Put the decimal after the first digit and drop the zeroes.
What are like terms?
Like terms are terms that contain the same variables raised to the same power
For x= y/2.5, when x =10, what is the ordered pair?
(10, 25)
The mass of the earth is 5,980,000,000,000,000,000,000,000 kg. Write this in scientific notation.
5.98 x 10 to the twenty-fourth power
Write an equation to represent the change (x) in the population of Memphis between 1960 (550,000) and 1990 (725,000)
x = 725,000 - 550,000
How is slope calculated?
by finding the ratio of the vertical change.