Equations
Solve for x: 3(x - 4) = 15
x = 9
What is the y-intercept of y = 5x - 8?
8
In ]f(x) = 200(1.05)^x, what is the growth rate (percentage)?
5%
What are the x-intercepts of y = (x-3)(x+5)?
( 3, 0) and (-5, 0)
What is Ms.Williams Favorite color?
Pink
Solve the perimeter of a rectangle formula,
P = 2l + 2w, for the variable w.
w = p - 21 / 2
Find the slope between (2, 4) and (5, 10)
m= 2
Does $f(x) = 50(0.85)^x represent growth or decay?
decay (b value is less than 1)
What is the "c" value in y = 2x^2 - 4x + 6 called?
Y intercept
What is the one food Ms. Williams refuses to eat?
Chicken on a bone
Solve for w: P = 2l + 2w
w = P - 2l / 2
Write the equation of a line with m= 3 through (1, 5).
y = 3x + 2
What is the y-intercept of f(x) = 3(4)^x?
3
Use the quadratic formula to SOLVE x^2 + 5x + 6 = 0
X = -2
X = - 3
How many siblings does Ms.Williams have?
Solve for x: 2x + 7 < 3x - 5
x > 12
Are the lines y = 2x and y = -1/2x + 4 parallel or perpendicular?
Perpendicular ( Opposite reciprocal)
A bacteria culture doubles every hour. If it starts with 10, write the function.
F(x) = 10 (2) ^x
Solve x^2 - 9 = 0 for all real solutions.
x = -2 and x = 2
What is Ms. Williams Favorite thing to do ?
S L E E P
Solve for x: 5(x+2) - 3 = 2x + 10
x = 1
If f(x) = 3x - 1, find x when f(x) = 14.
x = 5
Evaluate f(3) for f(x) = 2(3)^x.
f(3) = 54
A rocket is launched, and its height is modeled by $h(t) = -16t^2 + 64t + 80$. How many seconds does it take for the rocket to hit the ground?
t= 5 or t = -1 ( in the real word it could only be 5 because you can't have negative time)!
NOT KEVIN!!!!!!!!!!!!