DAT Math test
✅✅
For a normal distribution graph ____ of the data is contained within one
standard deviation from the mean - -68%
✅✅
For a normal distribution graph ____ of the data is contained within two
standard deviations from the mean - -95%
✅✅
For a normal distribution graph ____ of the data is contained within three
standard deviations from the mean - -99%
✅✅
A special isosceles right triangle has angles 45, 45 and 90 with sides of what
length? - -1, 1, and sqrt2 (hypotenuse)
✅✅
.What is the formula for the sum of internal angles of polygon? -
-180(n-2) where n = # of sides
180(n-2)/n = ______ - ✅✅-each internal angle measurement
What is the formula for a rate equation using 3 variables where two complete
✅✅
a task at different rates individually and a certain rate when they work
together? - -1/(person A) + 1/(person B) = 1/(person A + person B)
✅✅-2pi*r^2 + 2pi*r*h
Formula for surface area of a cylinder -
Formula for surface area of a cube - ✅✅-A = 6s^2
If B>C then B-C = ? - ✅✅-always positive number
On the DAT if you have two possible answers for the square root of x, one is
✅✅
negative and one is positive are both correct answers or only one? -
-Only the positive answer
Write 0.005% in decimal form - ✅✅-0.00005
What is a chord? - ✅✅-A line segment joining two points on a circle
Midpoint formula - ✅✅-(xm, ym) = (x1+x2)/2, (y1+y2)/2
Distance formula - ✅✅-d = sqrt[(x2-x1)^2 + (y2-y1)^2]
, Distance formula is equivalent to ______ - ✅✅-one side of a square, so s =
d
✅✅-r^2 = (x-h)^2 + (y-k)^2
radius formula of a circle -
How many feet in a meter? - ✅✅-3.28 ft
How many feet in a yard? - ✅✅-3 ft
Area of ellipse - ✅✅-A = pi*A*B
Volume of cylinder - ✅✅-V = pi*r^2*h
Volume of sphere - ✅✅-V = 4/3pi*r^3
(a^x)^y = _____ - ✅✅-a ^(x*y)
✅✅
Formula for angle formed outside of circle from one secant and one tanget. -
-Angle = (1/2)*(Difference of intercepted arcs)
✅✅
The inscribed angle within a circle is always half the value of the
_____________. - -intercepted arc
✅✅
The _____________ angle of a circle is always equal to the value of the
intercepted arc. - -central
Area of a cylinder - ✅✅-A = 2*pi*r^2 + 2*pi*r*h
Area of cylinder excluding top and bottom - ✅✅-A = 2*pi*r*h
Formula for average velocity - ✅✅-Ave velocity = total distance/total time =
(miles1 + miles2)/[(miles1/mph1) + (miles2/mph2)]
Yards in a mile - ✅✅-1760 yards/mile
What are the lengths of a right triangle? - ✅✅-5-12-13
✅✅
What are the lengths of the sides of a triangle with the angles 30-60-90? -
-1-sqrt(3)-2
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