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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. What is the formula the formula for an arc if you know the radius and the n= central angle
0
4/3 pi r^3
A+b
(n/360) X 2pi r
2. A triangle with three acute angles (less than 90 degrees)
Acute
A+b
Pi(d) 2(pi)r
Complex
3. What is the square of ((x1-x2) + (y1- y2)) =
0
Straight line
Distance between 2 points
Altitude
4. An angle whose measure is greater than 180 degrees and less than 360 degrees
Reflex
Congruence
Pi r^2 h
0
5. Every real number is a ______________
Equiangular
Median
Complex
Circle
6. What is 4 to the power of 1/2 or 4^1/2
180
2
Slope
Obtuse
7. An angle whose measure is larger than 90 degrees but less than 180 degrees
Quadratic formula
Isosceles
Obtuse angle
Rhomus
8. The __________ of a regular polygon is the segment joining an vertex with the center of the polygon
Regular polygon
Factor
Radius
Pi r^2 h
9. The volume of a cube is
Exterior angle
A^3
Extranous excluded
Parabola parallel line
10. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Downward
2
Positive
Ab
11. 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
Equal
Subtract substitute
1
Square
12. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
Roots
1
A^3
Symmetric
13. The value of y where a point intersects the x axis = __________
Dependent
Secant
Collinear
0
14. What is the formula for a combination (where order matters)
N!/(r!(n - r)!)
x over 100
Added
Bc
15. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
Point circle does not exist
Isosceles
x over 100
16. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Isosceles
Point line
((n -2) (180))/n
Pi r^2 h
17. An angle whose measure is larger than 0 degrees but smaller than 90 degrees
0
Acute
1/2 (d)^2
1/3Bh
18. A triangle with a 90 degrees angle
Right
Factoral
Commutative
Parabola parallel line
19. A ray _________ divides the angle into 2 angles that have equal measure
Bisect
Collinear
Positive
Parallelogram
20. What is the volume of a sphere with a radius r
Line
4/3 pi r^3
Vertices
Associative
21. The square of 0 is _____
Ellipse
A x b x c
x
0
22. In the law of proportion if a/b = c/d then (a - b)/b =
(c - d)/d
Symmetric
Parabola
Rectangle
23. The greatest common factor is the largest __________that is common to all member of the set
Dependent
Isosceles
Commutative
Factor
24. In a function the x value is the ___________variable
Congruence
Vertices
Dependent
Linear substitute
25. A triangle with having at least 2 equal sides
1/3 pi r^2 h
Extranous excluded
Isosceles
N!/(r!(n - r)!)
26. What is the volume of a cone
2pi r^2 + 2pi rh
1/3 pi r^2 h
Exterior angle
Trapezoid
27. The x value of the vertex of a parabola is the equation
Hypotenuse
Square
Length number
b/2a
28. A line that divides a line segment into two congruent segments
Bisector
D/c
Extranous excluded
Associative
29. For each real number a - for each real number b - if a= b - then b=a
Every
(4ac - b^2)/4a
1/2 (d1 + d2)
Symmetric
30. To find the x intersept we need to make __________= 0
1/2h (b1 + b2)
Reflexive
Y
Straight
31. Is a polygon whose angles are equal in measurement
Circle
A^3
Rectangle
Equiangular polygon
32. Two angles with a common vertex and a common side but no common interior points
Pi r^2 h
Point slope formula
Ratio
Adjacent
33. 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 ___________
Parabola parallel line
Congruent
Extranous excluded
Radius
34. 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
Factor
A+b
1
Equiangular polygon
35. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
1/2 (d)^2
Radius
((n -2) (180))/n
36. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
1/2h (b1 + b2)
Acute
Pi(d) 2(pi)r
(4ac - b^2)/4a
37. What type of trapezoid has its non parallel sides equal
Angle
Central angle
Roots
Isosceles
38. The least common multiple is the smallest quantity divisible by ______ number of the set
Complex
Every
1/2 (d)^2
4/3 pi r^3
39. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Hyperbola
Pi r^2 h
6a^2
Negative
40. In complex numbers the square root of -1 = ______
Parabola parallel line
I
Perpendicular
Isosceles
41. A line segment connecting a vertex of a triangle and the midpoint of the opposite side is called a __________ of a triangle
Median
Subtract substitute
Radius
Distance between 2 points
42. An angle whose measure is 90 degrees
Right angle
Quadratic formula
Point circle does not exist
Scalene
43. The square of both a positive number and a negative real number is _____________
A^3
Ab
Positive
Right angle
44. The _______ tells how many times the root needs to be multiplied by itself
Coplanar
Index
Inverse
Bh
45. Two lines are said to be ______________ if they intersect and form right angles
Perpendicular
1/3 pi r^2 h
Transitive
4pi r^2
46. 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 __________ (if a - b and c are not zero)
Ray
Ellipse
Straight
Ratio
47. A triangle whose sides are equal
Index
Positive
1
Equilateral
48. What is a quadrilateral with 2 and only 2 sides parallel
Distance
Trapezoid
Subtract substitute
Transitive
49. Three or more points are said to be ___________if an only if they lie on the same line
Complex
Collinear
Factor
Distance between 2 points
50. A line that joins the midpoint of two sides of a triangle is called the__________
Mildline
1/3Bh
Parabola
x