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Test your basic knowledge |
Praxis I Math
Start Test
Study First
Subjects
:
praxis
,
math
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
1/2h (b1 + b2)
Scalene
Hypotenuse
0
2. When you see f of g replace the x in f(x) with the ___________
Collinear
G value
Pi(d) 2(pi)r
Transitive
3. To find the x intersept we need to make __________= 0
D/c
Ab
Y
Downward
4. Two angles whose sum totals 180 degrees
Vertices
Congruence
Coplanar
Supplementary
5. In order to decimal to a percentage you need to ______ by 100
Hypotenuse
A+b
Multiply
4/3 pi r^3
6. What is the surface area of a right circular cylinder with a radius of r and a height of h
x over 100
N!/ (n - r)!
Median
2pi r^2 + 2pi rh
7. A triangle with one obtuse angle (angle greater than 90 degrees) is
4pi r^2
Equiangular
Added
Obtuse
8. A triangle whose angles all equal 60 degrees
Equiangular
Triangle
1/3Bh
0
9. An angle whose measure is 90 degrees
Added
Right angle
Parabola
Distance
10. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Slope
Acute
Added
Pi r^2 h
11. To calculate the diagnol of a square you multipy any ______by the _______________of 2
Index
1
Side square root
Straight line
12. An angle whose measure is larger than 90 degrees but less than 180 degrees
Area of a polygon
Obtuse angle
Square
Scalene
13. How do you calculate the area of a parallelogram - what is the formula
1
((n -2) (180))/n
Bh
Perpendicular
14. What property of equality ways for each real number a - for each real number b - for each real number c - if a=b and b=c - then a=c
Transitive
Secant
Symmetric
1
15. The value of x where a point intersects the Y axis= ___________
Equilateral polygon
Circle
x over 100
0
16. The union of two rays having the same end point
Obtuse
Angle
Mildline
Point line
17. When solving a system of equation involving quadratics and one is linear and the other is quadratic - solve the _______ first - then substitue the found value into the quadratic and solve for the other unknown
Equilateral
Reflex
Linear substitute
Consecutive angles
18. A rhomus with a right angle
Perpendicular
Pi(d) 2(pi)r
Circle
Square
19. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Straight line
Lw
Point slope formula
Median
20. What is the area of a pyramid or cone (hint B= area of Base)
Rectangle
Radius
Y
1/3Bh
21. A point has no ________or thickness
Size
One
0
1/2h (b1 + b2)
22. The value of y where a point intersects the x axis = __________
0
Exterior angle
Parallelogram
Perpendicular
23. A collection of points lying on a flat surface that extend indefinitely in any direction
n
Rhomus
Trapezoid
Plane
24. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Multiply
4pi r^2
Radius
Equilateral
25. In a quadratic equation in 2 unknowns has the general formula ax^2 + bxy + cy^2+dx +ey+ f = 0 the graph is called an __________ (b^2-4ac greater then 0)
Factor
Hyperbola
Equilateral
x
26. x= - b (+ or -) square root of (b^2-4ac) divided by 2a - is called the _____________ and can be used to find the roots of a problem
Parabola
Linear substitute
0
Quadratic formula
27. What is 4 to the power of 1/2 or 4^1/2
Ratio
2
Right
Ab
28. The measure of a minor arc is the measure of the __________that intercepts the arc
Quadratic formula
Complimentary
Central angle
Congruence
29. A triangle with a 90 degrees angle
Commutative
Point circle does not exist
Rhomus
Right
30. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
Length number
Acute
Side square root
Line
31. What is the formula for the area of a rhomus - (hint d= diagonal)
Added
Linear substitute
b/2a
1/2 (d1 + d2)
32. An angle whose measure is 180 degrees
Straight
Every
1
Complex
33. If you want to convert a fraction to a percentage you need to make it =
Commutative
Arc
x over 100
Distance
34. To solve a system of equations you must first make the two equations ___________to each other - then use the discrimant to find if the system has any real roots
S^2
Acute
Mildline
Equal
35. Once you find the roots of a radical equation you must check them to see if any are __________roots (which means they are not equal when plugged back into the original formula) these roots must be ___________
1/2bh
Ax+ by = c
Extranous excluded
Arc
36. i^2 = _____________
1
0
Added
Extranous excluded
37. The _________property of addition says that for every real number a - for every real number b for every real number c (a+b) + c = a + (b+c)
1/2h (b1 + b2)
Associative
S^2
Isosceles
38. In the law of proportion if a/b = c/d then (a+b)/ b =
(c+d)/d
1/2 (d1 + d2)
Consecutive angles
Pi(d) 2(pi)r
39. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Central angle
Coplanar
Ab
One
40. If a triangle has two congruent sides then it is an _________triangle
Equal
Equiangular
Y
Isosceles
41. A ___________is a figure with the same number of sides as angles
Polygon
Adjacent
Bisect
Rectangle
42. A line that divides a line segment into two congruent segments
Bisector
Distributive
Equilateral polygon
Equal
43. Every real number is a ______________
Hypotenuse
Point line
Collinear
Complex
44. A triangle with having at least 2 equal sides
Added
Isosceles
Commutative
Quadratic formula
45. For each real number a - for each real number b - if a= b - then b=a
Symmetric
A^3
Negative
I
46. What is the formula for a square if you only know the length of the diaganol
1/2 (d)^2
0
Ab
((n -2) (180))/n
47. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Obtuse angle
Inverse
Hyotenuse
Reflex
48. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Symmetric
Right
Ratio
1/3Bh
49. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Ax+ by = c
Multiply
6a^2
1
50. A line segment joining two poing on a circle is called a ________
Chord
Right
Function single
Circumscribed circle