ACT DAY 65-66
2x2+3x-5=0
1, -52
The distance from (5,2) to (1,-1) is:
5
What is the possible measure of an angle that has a terminal side in Quadrant lll and makes a 60" with the x-axis?
240"
what is a statistical question
can be answered by collecting many pieces of information or data that summarize it
Write the equation of a circle with a radius 9 and center (6,-4) in standard form
(x-6)2+(y+4)2=81
g(x)=x3-2x2+x-3. Find g(-2).
-21
The slope of a horizontal line is:
0
An angle has a reference angle measuring 35" and its terminal side lies in Quadrant lV. What are the possible positive
and negative measures for the angle?
325",-35"
what is bias
difference between others results because the circumstance may influence their responses
x2+y2-8x+6y+21=0
identify the center and the radius
center point (4,-3)
radius 2
For what value of k will the equation n2+6n+k=0 have only one distinct real solution for n?
9
Which of the following sets represents a function?
{(3,4,),(4,4,),(5,4)}
The sun shines at a 30 " angle to the ground. To the nearest inch, how long is the shadow cast by a 72-inch tall fence post?
125 in
what is a categorical variable
data that falls into categories
(x-6)2+(y-9)2=225
identify each part of the circle equation
center (6,9)
radius=15
Write the expression [-15(5x-15)-1] as a fraction in lowest terms.
-3/x-3
. What os the slope of the line joining (-4,7) and (-5,0)?
7
The slope of the line through the points (-3,4) and (1,-6) is
-5/2
what is a parameter question
a measure that describes a population (talks about all of something)
solve the solutions
x2+y2=224
x-y=2
(-10,-12) and (12,10)
solve the system
3x-y=11
x+y=5
x=4 and y=1
does the following set represent a function?
{(3,4),(4,4),(5,4)}
How far is the point (-3,4) from the origin?
5
what is a statistic question
a measure that describes a sample of population. (uses words like randomly)
The equation of a circle C is (x-4)2 + (y+3)2=49
what is the center (h,k)
center :(4,-3)