Functions
Slope
Real numbers
Scientific notation
Expressions and equations
100
Is this a function or not a function?
Yes it is a function
100
What is the slope?
3/2
100
What numbers are rational?
25, 1/2, 2.55, 3.1456.................
25, 1/2, 2.55 /
100
What is 6,2540 in scientific notation?
6.254 x 104
100
What is the answer to this expression?
3(a+2y)
3a+6y
200
Which one is a function?
D is a function
200
What is the formula for slope?
y2-y1
x2-x1
200
What are rational numbers?
They are whole numbers, integers, can be out in a over b, and terminating and repeating decimals.
200
(3 x 105) X (7 x 107) Solve.
(21 x 1012)
200
Solve this expression
3q-5-9q-2
6q-7
300
Is the relation a function?
Yes this is a function because it passes the vertical line test.
300
What type of solution is it when two lines are parallel?
no solution
300
What is an irrational number?
Numbers that can not be put in a over b, they never end and never repeat.
300
(36 x 107) / (3 x 104)
(12 x 103)
300
Simplify this expression.
3a+7+2(-3+a)
5a+1
400
What determines a function?
It passes the vertical line test, no repeating inputs, and make sure each input only goes to one output.
400
Find the slope of the line from the points.
(-8, 13) (11, 18)
5/19
400
Which numbers are rational?
3.1415926...., 5/9, 5.5, 1.41142..., -4
5/9, 5.5, -4
400
Covert 4,145,030 to scientific notation.
(4.14503 x 106)
400
A linear relationship passes through (0,3) and (3,9)
What is the equation for this relationship?
y=2x+3
500
Is this a function?
No it´s not a function because the 1, 2 and 3 are all going to two outputs.
500
What is the slope of this line?
Infinitely many
500
Is 1010 a rational or irrational number?
rational
500
Convert .000000023 to scientific notation.
(2.3 x 10-8)
500
Write the equation y-2=6x+3 in y=mx+b form.
y=6x+5