Don't be irrational!
Rational or irrational?
The square root of 169.
Rational
Every month Amy's savings increase. What type of slope on a graph (positive, no slope or negative) would this be?
What is a positive slope?
In a function which value (x or y) cannot be repeated?
What is x?
Write the pythagorean theorem.
What is:
a2 + b2 = c2
340 = ?
What is 1?
Rational or irrational?
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Irrational
Ian's new car depreciates or loses value the longer he owns it. What type of slope on a graph would it be (positive, negative or no slope)?
What is a negative slope?
Is this a linear function?
(2,4) (4,8) (6,16) (8,32)
No, because it would not form a straight line.
No, because even though x is increasing at the same rate, y is doubling each time.
This is the diagonal on a right triangle.
What is the hypotenuse?
3a6 x 5a2 =
What is 15a8?
Rational or irrational?
3/15
Rational
How many solutions would the following set of equations have?
y = 2x - 4
y = 2x + 4
What is no solution?
Solve by graphing:
4x + y = 31
2x - y = 5
What is (6,7)
16 cm2 + 9 cm2 = c2 cm2
Solve for c.
c = 5 cm.
28y14 รท 4y11 =
What is 7y3?
Rational or irrational
-0.333333333 ...
Rational
How many solutions would the following set of equations have?
y = 3x - 2
y = -3x + 2
What is one solution?
Solve the following set of equations by graphing:
2x + y = 28
x - 4y = -22
What is (10,8)?
Find the leg length:
82 + b2 = 102
b = 6
b-8 = ?
Rational or irrational?
The square root of 5.
Irrational.
How many solutions would the following set of equations have?
y = 3x + 9
y = -3(-x - 9)
What is infinite solutions?
Create a set of equations and solve by graphing.
In a cage full of bugs, there are beetles (6 legs) and spiders (8 legs). You count 30 bugs and 192 legs. How many spiders and beetles are there?
Use x for beetles and y for spiders.
What is:
6x + 8y = 192
x + y = 30
There are 24 beetles and 6 spiders.
Kevin wants to use a ladder to hang some Christmas lights. He is going to lean the ladder against the roof which is 12 ft. from the ground. The bottom of the ladder is 5 ft. from the house. Using the pythagorean theorem, how long is the ladder?
The ladder is 13 ft. long.
(3x5)2x3 = ?
What is 6x15?