Formula and Equations
What is the midpoint formula?
x1+x2/2 and y1+y2/21
What variable represent the correlation coefficient?
r
What is the slope of a line parallel to y=5x-2
5
Find the midpoint of (1, 4) and (5, 6)?
(3, 5)
What is the maximum x-intercepts?
2
What is the Pythagorean theorem?
a2+b2=c2
Solve for B.
V=1/3Bh
3V/h
What is the slope of a line perpendicular to y=-2x+8
1/2
What can I use in place of the distance formula?
Pythagorean Theorem
Factor x2+2x-15
(x-3)(x+5)
What is the quadratic equation?
ax2+bx+c
Solve. −8n + 4(1 + 5n) = −6n − 14
-1
Find the slope of a line perpendicular to x+2y=6
2
Endpoint: (−5, 4), midpoint: (−10, −6), Endpoint: ?
(-15, -16)
When did the rocket hit the ground given function: -16t2+128t ?
8 seconds
What is the exponential function?
The senior classes at High School A and High School B planned separate trips to New York City. The senior class at High School A rented and filled 1 van and 6 buses with 372 students. High School B rented and filled 4 vans and 12 buses with 780 students. Each van and each bus carried the same number of students. How many students can a van carry?
through: (4, -4), parallel to y = 3
y=-4
Find the distance of (7, 6), (0, 2).
8.1
What is the maximum height of the given function: -16t2+128t
256
What is the distance formula?
d=
Brenda's school is selling tickets to a spring musical. On the first day of ticket sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75. The school took in $67 on the second day by selling 8 senior citizen tickets and 5 child tickets. What is the price each of one senior citizen ticket and one child ticket?
11
Write an equation of a line the is parallel to 6x+5y=3 through (5,0).
y=-6/5x+6
Find the area of the rectangle at points (-4,4), (-8,0), (0,8), and (4,4). Round to the nearest whole number.
64
When does the rocket hit the ground? DO NOT USE DESMOS GRAPHING CALCULATOR!
-16t2+16t+480
6 seconds