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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. 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)
Ab
Addition subtration
(pi)r ^2
0
2. In the law of proportion if a/b = c/d then ad =
Right angle
Bc
Ellipse
Point line
3. A line that divides a line segment into two congruent segments
Bisector
x
Straight
Altitude
4. To find the x intersept we need to make __________= 0
2pi r^2 + 2pi rh
(n/360) X 2pi r
Bh
Y
5. What type of trapezoid has its non parallel sides equal
Hyotenuse
Coplanar
Isosceles
Perpendicular
6. What is 4 to the power of 1/2 or 4^1/2
0
2
Straight line
D/c
7. Is a polygon that is both equilateral and equangular
Equilateral polygon
Lw
Regular polygon
Bc
8. What is the formula for the area of a circle
Right angle
(pi)r ^2
n
1
9. What is the formula for the area of a rhomus - (hint d= diagonal)
1/2 (d1 + d2)
Obtuse angle
Regular polygon
Secant
10. The perimeter of a polygon is equal to the ________of sides X the _____________ of sides
(c+d)/d
Straight line
Length number
Complimentary
11. The measure of a minor arc is the measure of the __________that intercepts the arc
Point line
Point circle does not exist
Central angle
Circle
12. Positions = number of position can be calculated by finding the ______ of the total number of items
Factoral
Consecutive angles
Right
N!/(r!(n - r)!)
13. 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
Linear substitute
Altitude
Scalene
Quadratic formula
14. The absolue value of the difference of the coordinates of any two points on the real number line
Median
Distance
Collinear
Obtuse angle
15. An angle whose measure is 180 degrees
Apothem
Straight
Adjacent
Linear substitute
16. The ____________ says y - y1= m(x-x1)
Collinear
Point slope formula
Equilateral
Congruence
17. What is the formula for a combination (where order matters)
Size
N!/(r!(n - r)!)
1/2h (b1 + b2)
Symmetric
18. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
N!/ (n - r)!
Point line
Coplanar
D/c
19. For each real number a - for each real number b - if a= b - then b=a
Symmetric
Ax+ by = c
6a^2
Reflexive
20. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
Every
Factoral
((n -2) (180))/n
Distance
21. A __________________ is a circle passing through all the vertices of a polygon
Bh
1/2bh
Circumscribed circle
Line
22. 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
Circle
Isosceles
(n/360) X 2pi r
Parabola parallel line
23. Three or more points are said to be ___________if an only if they lie on the same line
Adjacent
Collinear
180
Equal
24. When solving a system of equation with 2 quadratic function - first __________ one equation from the other equation to find isolate one variable - solve for that variable - then ______ and solve for the other variable
D/c
Congruent
Ax+ by = c
Subtract substitute
25. A rhomus with a right angle
Rhomus
1/2 (d1 + d2)
Square
b/2a
26. In complex numbers the square root of -1 = ______
Isosceles
Straight line
Trapezoid
I
27. A triangle with having at least 2 equal sides
1
Isosceles
Ax+ by = c
Exponent
28. A triangle with a 90 degrees angle
Right
Y
Median
Point slope formula
29. Is a polygon whose angles are equal in measurement
Altitude
Equilateral polygon
Roots
Equiangular polygon
30. In order to decimal to a percentage you need to ______ by 100
Y
Isosceles
Congruence
Multiply
31. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
N!/ (n - r)!
Hyperbola
Consecutive angles
Isosceles
32. Two lines are said to be ______________ if they intersect and form right angles
Perpendicular
Equilateral
Congruence
1
33. An angle whose measure is larger than 90 degrees but less than 180 degrees
N!/(r!(n - r)!)
6a^2
Obtuse angle
Associative
34. The set of all points on a half line and the dividing point itself
4/3 pi r^3
A+b
Ray
Ellipse
35. What property of equality says that a=a
Reflexive
Multiply
Hyperbola
Hyotenuse
36. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Subtract substitute
Distributive
Quadratic formula
Consecutive angles
37. In a logarithm the answer following the = sign is the __________
(4ac - b^2)/4a
Multiply
Exponent
Every
38. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
Equilateral
Commutative
Symmetric
Scalene
39. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Consecutive angles
Hypotenuse
1/2h (b1 + b2)
Vertical
40. To calculate a permutation (order does not matter) what is the formula
Symmetric
Coplanar
Vertices
N!/ (n - r)!
41. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Inverse
b/2a
2
Distributive
42. A triangle with no equal sides
Central angle
Slope
Scalene
Supplementary
43. How do you calculate the area of a parallelogram - what is the formula
Vertical
Extranous excluded
1
Bh
44. What is the surface area of a sphere with a radius r
4pi r^2
Hyotenuse
x over 100
4/3 pi r^3
45. A ray _________ divides the angle into 2 angles that have equal measure
Bisect
Acute
One
Slope
46. A collection of points lying on a flat surface that extend indefinitely in any direction
Ray
Addition subtration
Plane
Length number
47. A set of points in the seame plane equidistant from a fixed point - called its center
Obtuse
Parabola
Circle
Ab
48. The value of x where a point intersects the Y axis= ___________
0
Vertical
Straight
Exponent
49. When you see f of g replace the x in f(x) with the ___________
Subtract substitute
G value
Bisector
Negative
50. A closed three sided figure is called a ____________
Chord
Triangle
x
Equilateral