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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. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Every
I
Acute
Congruence
2. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Ratio
((n -2) (180))/n
Obtuse
Consecutive angles
3. Every real number is a ______________
((n -2) (180))/n
Area of a polygon
Complex
Ellipse
4. Positions = number of position can be calculated by finding the ______ of the total number of items
Factoral
Equilateral polygon
Equiangular polygon
Equal
5. A triangle with one obtuse angle (angle greater than 90 degrees) is
Obtuse
(c+d)/d
Y
I
6. The graph of y= ax^2 + bx + c is a curve know as a ____________
Acute
1/2 (d1 + d2)
1/2 (d)^2
Parabola
7. The segment from the center of the polygon perpendicular to as side of the polygon
Equal
Ax+ by = c
Apothem
Bc
8. What is the closure property of multiplication for every real number a - for every real number b _________ is a real number
Addition subtration
Ab
Vertical
n
9. What is 4 to the power of 1/2 or 4^1/2
Parabola parallel line
2
Triangle
Altitude
10. The absolue value of the difference of the coordinates of any two points on the real number line
Extranous excluded
(pi)r ^2
D/c
Distance
11. A triangle whose angles all equal 60 degrees
Multiply
(4ac - b^2)/4a
Circumscribed circle
Equiangular
12. Three or more points are said to be ___________if an only if they lie on the same line
Collinear
Ab
Parallelogram
Rhomus
13. In the law of proportion if a/b = c/d then (a+b)/ b =
(c+d)/d
Added
Commutative
Obtuse
14. What is the formula to calculate the area of a rectangle
D/c
Quadratic formula
1/2 (d1 + d2)
Lw
15. In the law of proportion if a/b = c/d then ad =
Bc
Right angle
Multiply
Circumscribed circle
16. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Square
Complex
Hyperbola
Ratio
17. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Radius
Distance between 2 points
180
(c - d)/d
18. A triangle with a 90 degrees angle
Right
Area of a polygon
Hyperbola
Length number
19. The greatest common factor is the largest __________that is common to all member of the set
Consecutive angles
Ax+ by = c
N!/ (n - r)!
Factor
20. The side of a right triangle opposite the right angle
Hypotenuse
x over 100
Angle
One
21. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Commutative
Consecutive angles
Arc
N!/(r!(n - r)!)
22. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Associative
Arc
S^2
Downward
23. A line that divides a line segment into two congruent segments
Consecutive angles
Parallel
Function single
Bisector
24. Two angles whose sum totals 90 degrees
Complimentary
Obtuse
Straight
Polygon
25. If a triangle has two congruent sides then it is an _________triangle
n
Coplanar
4/3 pi r^3
Isosceles
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
Pi(d) 2(pi)r
Quadratic formula
1/2h (b1 + b2)
Parabola parallel line
27. In complex numbers the square root of -1 = ______
Circumscribed circle
A x b x c
4/3 pi r^3
I
28. 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
Linear substitute
Parallel
(pi)r ^2
Y
29. 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
Altitude
Parabola parallel line
Collinear
180
30. A __________________ is a circle passing through all the vertices of a polygon
Circumscribed circle
Point line
I
Parabola parallel line
31. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Ellipse
Isosceles
Exterior angle
Isosceles
32. Angles that are equal
Congruent
(c+d)/d
Obtuse angle
Acute
33. A __________of a circle is a line segment drawn from the center of the circle to any point on the circle
n
180
Vertical
Radius
34. 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
1/2h (b1 + b2)
A x b x c
Bisector
1
35. What is the closure property of addition - for every real number a - for every real number b ______________ is a real number
0
Central angle
A+b
Exponent
36. 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
Linear substitute
1
Multiply
Added
37. Two distinct straight lines can intersect at most at only one point
One
Size
Point slope formula
1/2 (d)^2
38. A line segment joining two poing on a circle is called a ________
Chord
Parallelogram
Parallel
6a^2
39. A line that intersects a circle in tow point is called the _______
Equilateral
Dependent
Circumscribed circle
Secant
40. The least common multiple is the smallest quantity divisible by ______ number of the set
Every
Perpendicular
Line
Hypotenuse
41. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Plane
Complimentary
Equilateral polygon
1/2h (b1 + b2)
42. The sum of the interior angles of a triangle = ___________
180
n
Collinear
Index
43. In the pythagorean theorm a^2 + b^2 = c^2 - c is called the ______
Line
Extranous excluded
Hyotenuse
Triangle
44. The ____________ says y - y1= m(x-x1)
Y
Point slope formula
Multiply
Square
45. Two lines are said to be ______________ if they intersect and form right angles
Perpendicular
Ratio
1
Altitude
46. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
x over 100
(c - d)/d
N!/ (n - r)!
Area of a polygon
47. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Parallel
Right
Radius
Hypotenuse
48. 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
Transitive
Equal
Negative
1/2 (d)^2
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
Function single
Transitive
Straight
Hyotenuse
50. Two angles whose sum totals 180 degrees
Circle
Ray
Supplementary
Linear substitute