What does the O in SOH-CAH-TOA stand for?
opposite
When x = 3, y = ?
y=4x+2
a. 9 b. 14 c. 7 d. 3
b. 14
In the equation y=mx+b, what does the "m" stand for?
slope
rate of change
log22 = _
a. 0 b. 1 c. 2 d. 4
b. 1
What is the sum of all the angles in a triangle?
180 degrees.
What does the T in SOH-CAH-TOA stand for?
Tangent
What is the y-intercept?
9x-3y=9
a. -1 b. 9 c. 3 d. -3
d. -3
In the equation y=a(b)x what does the "a" stand for?
y-intercept
initial value
log513 - log52 =
a. log511 b. 11 c. log5(13/2) d. log526
c. log5(13/2)
If a right triangle has an angle of 45 degrees what is the measure of the last angle?
a. 15 b. 45 c. 30 d. not enough information
b. 45
In a right triangle with a base of 15cm and a height of 30 cm which trig identity would you use?
a. sine b. cosine c. tangent
c. tangent
Find the y-intercept
x+3y=60
a. 3 b. 60 c. 20 d. 1
c. 20
What kind of equation is this: y=1500(1.25)x ?
a. exponential growth b. exponential decay
c. continuous growth d. quadratic
a. exponential growth
log26 + log23 =
a. log218 b. log29 c. 18 d. 9
a. log218
If a triangle has coordinates (4,-2), (2,-3), and (3,-5) what are the new coordinates if dilated by 2?
a. (8,-4), (4,-6), and (6,-10)
b. (2,-1), (1,-1.5), and (1.5,-2.5)
c. (4,3), (5,5), and (6,3)
d. (1,1), (3,2), and (1,3)
a. (8,-4), (4,-6), and (6,-10)
In a right triangle with a base of 4cm and a height of 3cm, what is the length of the hypotenuse?
a. 2 b. 4. c. 5 d. 7
c. 5
Find the slope through (7,14) & (4,-10)
a. 8 b. 0.8 c. 7 d. 7.5
a. 8
What kind of equation is this: y=99(.25)x ?
a. exponential growth b. exponential decay
c. continuous growth d. quadratic
b. exponential decay
logx4 =
a. log4x b. logx4 c. 2logx d. 4logx
d. 4logx
For a 180 degree rotation, how do the (x,y) coordinates change?
a. (x,-y) b. (-y,x) c. (-x,-y) d. (-y,-x)
c. (-x,-y)
Where in real life is trigonometry useful?
Answers will vary:
stairs, building heights, etc.
Find the slope through
(-6,23) & (-9,5)
a. 6 b. 5 c. 0.5 d. 0.6
a. 6
What kind of equation is this: y=125e0.5657483t ?
a. exponential growth b. exponential decay
c. continuous growth d. quadratic
c. continuous growth
In 2log5 what is the base?
a. 10 b. 0 c. 1 d. 100
a. 10
If a triangle has coordinates (1,1), (2,3), and (3,1) what are the new coordinates if you move it 3 units right and 2 units up?
a. (3,4), (5,5), and (3,6)
b. (1,1), (2,3), and (3,1)
c. (1,1), (3,2), and (1,3)
d. (4,3), (5,5), and (6,3)
d. (4,3), (5,5), and (6,3)