Linear Functions
What would the slope be of the equation y=-3/4x+2?
-3/4
What is the form for an exponential equation?
y=a(b^x)
What is x(x+7) in expanded form?
x^2+7x
What type of triangle is used with the pythagorean theorem?
right triangles
If a number is to the zero power, what will the answer always be?
1
What is the y-intercept of the equation y=273+6x? (Make sure you say it as an ordered pair)
(0,273)
Does an exponential equation ever cross the point (0,0)?
No
What is (x-3)(x+4) in expanded form?
x^2+x−12
FInd the hypotenouse if the sides of the right triangle are 2 and 2
square root of 8
What does x^4 times x^6 times x^3 equal?
x^13
What is the slope passing through the points (0,12) and (-4,8)?
y=x+12
Is the following equation, y=20(0.5^x), exponential growth or decay?
decay
skrinking
How do you find hypotenouse of a right triangle?
you use the pythagorean theorem
What does x^18 divided by x^9 equal?
x^9
How do you find slope on a graph?
You find the rise over run
What would the expression 2 x 2 x 2 x 2 be in exponential form?
2^4
What is the quadratic formula?
(write it down to show because I can't put it on here as an image or anything)
Find the missing leg of a right triangle if the hypotenouse is 12 and the one leg is 4.
square root of 160
what does (x^5)^5 equal?
x^25
What is the standard form for a linear equation?
ax+by=c
What was the book called that Ms. Geiger read to us about exponential functions?
One Grain of Rice
Solve this equation, 3x^2-7x-15
x=7 + or - sqrt 229 all divided by 6
What is the pythagorean theorem?
a^2+b^2=c^2
(ab)^x=a^x*b^x, What rule is this law of exponents representing?
Power of a product rule