Linear Functions Grab Bag More Function Stuff Trigonometric functions Trig Identities

100

What is -3 ?
the slope of the line given by y = -3x + 4

100

What is none? (the lines are parallel)
The number of solutions to the system ....... y = -2x - 3 ...... y = 5 - 2x

100

What is three?
The number of roots of this equation: 6c^3 - 3c^2 - 45c = 0

100

What is cosine?
The trig ratio for an angle in a right triangle that is equal to the adjacent side length divided by the hypotenuse

100

What is tan A ?
The trig function that is equal to sin A divided by cos A

200

What is Point-Slope Form?
The line through the point (x1,y1) with the slope m has the equation y - y1 = m(x-x1).....

200

What is De Viana?
Professor's last name

200

What is all real numbers?
Domain of exponential functions

200

What is cosecant (csc) ?
the trig function that is the reciprocal of sine

200

What is 1 ?
the missing number in sin^2 A + cos^2 A = _??_

300

What is the slopes are opposite reciprocals ?
The way you can tell two lines are perpendicular by their equations

300

What is f(x) = 1/2(x+9)? Since g(f(x)) = x, g(f(x)) = 2(f(x)) - 9 = x and therefore 2(f(x)) = x+9 f(x) = (x+9)/2
if g(x) = 2x - 9, find a function f such that g(f(x))= x

300

What is the domain of f(x) is equal to the range of the inverse of f(x) and the range of f(x) is equal to the domain of the inverse of f(x)?
The graph of the inverse of f(x) is related to the graph of f(x) ....

300

what is 2π/3?
Ɵ = 120°, so radians =

300

What is 2 ?
the value of tan x when cot x = 1/2

400

What is x = 2 ?
the equation of a vertical line passing through (2,5)

400

What is sqrt(3)/2?
Cos(π/6) = ?

400

What is y = x ?
The graph of inverse functions is the reflection of the original graph over this imaginary line (hint: give an equation)

400

What is odd?
The symmetry of sine functions is ......

400

What is a half-angle identity ?
If you need to find the exact value of the sine of 15 degrees, knowing the value of the sine of 30 degrees, the type of identity you need

500

What is 3/4 ?
the slope of the line connecting (4,11) and (8,14)

500

What is (3,2) ?
Of the points (0,0) (3,2) or (-2,4) the one that satisfies the inequality x + y > 3

500

What is x^2 + x - 6 ?
The polynomial in standard form whose roots are -3 and 2

500

What is 1/2 ?
the value of the expression sin(arcsin 1/2)

500

What is 10/13?
Find sin⁡θ if cosθ = 12/13 and tanθ = 10/12

PreCalculus Review!

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