Linear Functions
Grab Bag
More Function Stuff
Trigonometric functions
Trig Identities

### 100

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

### 100

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

### 100

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

### 100

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

### 100

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

### 200

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

### 200

Professor's last name
What is De Viana?

### 200

Domain of exponential functions
What is all real numbers?

### 200

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

### 200

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

### 300

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

### 300

if g(x) = 2x - 9, find a function f such that g(f(x))= x
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

### 300

The graph of the inverse of f(x) is related to the graph of f(x) ....
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)?

### 300

Ɵ = 120°, so radians =
what is 2π/3?

### 300

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

### 400

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

### 400

Cos(π/6) = ?
What is sqrt(3)/2?

### 400

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

### 400

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

### 400

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
What is a half-angle identity ?

### 500

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

### 500

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

### 500

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

### 500

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

### 500

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