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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. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Hyotenuse
Isosceles
Mildline
1
2. When you have a linear equation such as ax + by = c you may use ___________ or _____________ to solve the problem - (you may first have to multiply through one of the equation to make either the x or y value equal)
Polygon
Complex
Scalene
Addition subtration
3. If all points lie in the same plane they are __________
1/2bh
Square
Coplanar
Isosceles
4. A triangle with no equal sides
Scalene
N!/(r!(n - r)!)
x over 100
Lw
5. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Equilateral polygon
Addition subtration
Trapezoid
Exterior angle
6. Two angles whose sum totals 90 degrees
Negative
Complimentary
180
Obtuse angle
7. A triangle with one obtuse angle (angle greater than 90 degrees) is
S^2
Transitive
Factor
Obtuse
8. A _________ number is a number that can be written in the form of a + bi
1/3 pi r^2 h
Ax+ by = c
Supplementary
Complex
9. The _______ tells how many times the root needs to be multiplied by itself
Addition subtration
180
Acute
Index
10. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
Radius
Trapezoid
Complex
Area of a polygon
11. In the law of proportion if a/b = c/d then (a - b)/b =
(c - d)/d
Transitive
Extranous excluded
Pi r^2 h
12. A collection of points lying on a flat surface that extend indefinitely in any direction
Point slope formula
Congruence
Plane
A x b x c
13. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Radius
Median
Circumscribed circle
G value
14. What is the volume of a cone
Multiply
Equilateral
Acute
1/3 pi r^2 h
15. In the law of proportion if a/b = c/d then ad =
2pi r^2 + 2pi rh
Bc
G value
Ellipse
16. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
I
Secant
A(bc)
Ab
17. Positions = number of position can be calculated by finding the ______ of the total number of items
A+b
Addition subtration
Point circle does not exist
Factoral
18. A triangle whose sides are equal
Equilateral
Quadratic formula
180
Acute
19. The set of all points on a half line and the dividing point itself
Equilateral
A(bc)
One
Ray
20. Two angles with a common vertex and a common side but no common interior points
Adjacent
2pi r^2 + 2pi rh
Isosceles
b/2a
21. 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)
Quadratic formula
Associative
Isosceles
Positive
22. A triangle whose angles all equal 60 degrees
Perpendicular
Arc
Equiangular
Added
23. If a triangle has two congruent sides then it is an _________triangle
1/2bh
b/2a
Isosceles
Obtuse
24. In a quadratic equation with 2 unknown which has the formula ax^2 + bxy + cy^2 + dx + ey + f the graph is _____________ or a pair of __________ if ( b^2-4ac= 0) which may be coincident or it does not exist
Parabola parallel line
Complex
2pi r^2 + 2pi rh
(pi)r ^2
25. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
Equiangular polygon
Obtuse angle
Lw
Radius
26. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
N!/ (n - r)!
Distributive
Complex
1
27. A __________________ is a circle passing through all the vertices of a polygon
Complex
Ratio
Circumscribed circle
6a^2
28. The value of x where a point intersects the Y axis= ___________
A x b x c
0
Coplanar
Distributive
29. Operation in steps = if an event a ways and followed by b ways followed by c ways the total number of ways it can be done is
Radius
A x b x c
Distributive
0
30. 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 __________or a __________ or __________(b=0 and a=c)
Bc
Congruent
Lw
Point circle does not exist
31. To find the x intersept we need to make __________= 0
Y
Linear substitute
A x b x c
Area of a polygon
32. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Supplementary
Congruence
Every
Altitude
33. A line that intersects a circle in tow point is called the _______
2
1
Secant
x over 100
34. What are the 2 formulas to calculate the circumference of a circle
1/3 pi r^2 h
Pi(d) 2(pi)r
Perpendicular
n
35. A line that joins the midpoint of two sides of a triangle is called the__________
Acute
Mildline
Index
Inverse
36. The value of y where a point intersects the x axis = __________
0
Triangle
Symmetric
1/3 pi r^2 h
37. A point has no ________or thickness
Isosceles
Size
Factor
Quadratic formula
38. 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
1
Downward
Quadratic formula
Factoral
39. The inverse property of multiplication says that for every real number a - a cannot = 0 ther is a real number a^____such that a X a ^____ = a^____ X a =1
1/2h (b1 + b2)
Point circle does not exist
1
Transitive
40. If a=0 in a quadratic formula - the quadratic is reduced to a linear function and a ____________
Coplanar
Straight line
Mildline
Index
41. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Commutative
Multiply
Right angle
Linear substitute
42. A line that divides a line segment into two congruent segments
Bisector
Distance
x over 100
Bisect
43. What is the linear equation where a - b and c are constants b cannot = 0
Factoral
Equal
Ax+ by = c
(4ac - b^2)/4a
44. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Reflex
Rhomus
Index
Coplanar
45. What is the formula for a square if you only know the length of the diaganol
Function single
A(bc)
Pi(d) 2(pi)r
1/2 (d)^2
46. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Radius
Plane
Isosceles
Hyotenuse
47. The absolue value of the difference of the coordinates of any two points on the real number line
x
2pi r^2 + 2pi rh
Distance
Chord
48. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Chord
Altitude
Downward
((n -2) (180))/n
49. 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
(c - d)/d
Right angle
Perpendicular
50. The graph of y= ax^2 + bx + c is a curve know as a ____________
Trapezoid
Parabola
Pi r^2 h
Ellipse
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