Vocabulary
Linear Equation
Solve:
2x + 10 = x - 5
x = - 15
Find f(x) = 5x + 1
when f ( 3 ) = _____
f ( 3 ) = 16
What is slope-intercept form for linear equations?
y = mx + b
Simplify:
x^7
Irrational Number
Solve:
2/5x = 4/15
x = 2/3
Find f(x) = 10 - x
when f ( - 5 ) = _____
f ( - 5 ) = 15
Identify the slope in this equation:
y = 6x - 4
m = 6
c = 34
The name of the theorem that can be used to find the missing side length of a right triangle or to classify triangles
The Pythagorean Theorem
Solve:
3x + 1 + 2x = 21
x = 4
Find f(x) = x^2 - 6x + 8
when f ( 2 ) = _____
f ( 2 ) = 0
Identify the y-intercept in this equation (it must be written as a point):
y = 6x - 4
b = ( 0 , - 4 )
Find the volume of the cylinder (rounded to the nearest tenth):
V = 226.2 in^3
The steepness and the direction of a line is known as the .... (aka height / base aka rise / over aka delta y / delta x)
The slope
Solve:
2 ( 8x - 2 ) = - 4
x = 0
Find f(x) = 100 - x^3
when f ( 8 ) = _____
f ( 8 ) = - 412
Write an equation with a slope of ( - 3 ) and a y-intercept of ( 0 , 4 )
y = -3x + 4
or
y = 4 - 3x
Find the missing side of a right triangle who has one side that is 11 in and a hypotenuse of 26 in (rounded to the nearest tenth).
b = 23.6 in
Write this number in proper scientific notation...
140,000
1.4 x 10^5
Solve:
4 ( x + 1 ) + 2 = 2 ( 2x + 3 )
Infinite Solutions
Find f(x) = 5x^4 + x
when f ( - 4 ) = _____
f ( - 4 ) = 1,276
Use the front board to graph this line:
y = - 3/4 x + 2
TBD
Classify a triangle with the sides: 8 in, 18 in, 11 in
Obtuse