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The Ultimate Formula Sheet for SAT Math page 3 Flashcards | StudBud
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The Ultimate Formula Sheet for SAT Math page 3
The Ultimate Formula Sheet for SAT Math page 3
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1
In the standard form for a circle, (h,k) is the
Focus
Tangent line
Vertex
Center
2
slope of perpendicular lines
the slope is undefined
the slopes are negative reciprocals
the slopes are the same
the slope equals 0
3
What is the distance formula of a graph?
√((x2 – x1)² + (y2 – y1)²)
y=mx+b
−b ± √b²-4ac/2a
E = mc^2
4
What is the is the slope formula?
m=y1+y2 / x1+x2
m=y1-y2
m=x2-x1/y2-y1
m=y2-y1/x2-x1
5
The formula for slope is:
run/rise or x2 - x1/y2 - y1
rise/run or y2 - x2/y1 - x1
rise/run or y2 - y1/x2 - x1
run/rise or x/y
6
Is this one of Pythagoras's triangle triples?
3, 5, 10
9, 11, 12
9, 12, 15
9, 6, 10
7
The slope formula is
False
True
8
If a central angle is 50º, the inscribed angle is...
100º
25º
75º
50º
9
the slope of perpendicular lines
is the opposite reciprocal of the slope
is always a mixed fraction
is always negative
is always positive
10
What is the distance formula?
a2+b2=c2
√(x2-x1)2+(y2-y1)2
√(a+b)
11
which one is a pythagoras triples
3,4,5
1,2,3
12
What is the midpoint formula?
(x1+x2/2), (y1+y2/2)
(y2-x2)-(y1-x2)
(x2-x1/2),(y2-y1/2)
(x1-x2),(y1-y2)
13
Midpoint Formula
y-y1=m(x-x1)
(x2-x1)2+(y2-y1)2
y=mx+b
(average of x's, average of y's)
14
What is the "standard" form equation for a circle centered at (h,k)?
x2-y2=0
(x-h)2+(y-k)2=r2
y=mx+b
x2+y2=r2
