521B JEOPARDY #3

Trigonometry

100

This primary trigonometric ratio is negative in QIII and QIV

The sine ratio

200

The acute angle formed between the terminal arm and the horizontal axis.

Reference angle

300

If tan𝜽 = -1 for 0^o ≤ 𝜽 < 360^o, then 𝜽 =

135^o, 315^o

400

For an SSA triangle, if ∠A = 30^o, a = 3.9 , b = 8 cm, then how many possible triangles are there?

No possible triangle

500

sin(90^o) + cos(0^o) - tan(315^o) + sin(150^o)

3.5

Quadratic Functions and Equations

100

What is the degree of a quadratic function?

2

200

y = ax² is transformed into y = a(x - p)² + q. If p < 0 and q > 0, then how will y = ax² be translated?

The parabola will be shifted p-units to the left and q-units up.

300

For a quadratic function in vertex form, if a < 0 and q > 0, then how many x-intercepts will there be?

2

400

By completing the square, a quadratic function in _____ form can be converted to _____ form.

standard, vertex

500

If f(x) = 3x² + bx + 5, and the axis of symmetry is 4, then what is the value of b?

-24

Absolute Value and Reciprocal Functions

100

y = |x - 2| has a y-intercept at

y = 2

200

For |2x - 3|, if x < 1.5, then |2x - 3| =  

3 - 2x

300

Given (-2, -5) on y = f(x), what will be the coordinates of y = |f(x)|?

(-2, 5)

400

If the point (1/2, 2/3) is on y = f(x), then what will be the coordinates of a point on the reciprocal function?

(1/2, 3/2)

Systems of Equations

100

The intersection point of a system is also known as the...

solution

200

A system consisting of a line and a parabola...

A linear-quadratic system

Linear and Quadratic Inequalities

100

Describe the solution region for y < 3x - 2 as well as the boundary.

All points below the line y = 3x - 2 with a dashed boundary.