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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. A triangle with one obtuse angle (angle greater than 90 degrees) is
A(bc)
Multiply
Obtuse
Hyotenuse
2. 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)
Pi r^2 h
Hyperbola
Y
x
3. The value of x where a point intersects the Y axis= ___________
0
Pi r^2 h
Complimentary
Perpendicular
4. Is a polygon whose sides are equal in measure
Equilateral polygon
A+b
Multiply
x over 100
5. A parallelogram that has tow adjacent sides that are equal and whose sides are perpendicular to each other
Rhomus
Equiangular polygon
Size
1/2 (d)^2
6. The _______says for every reals number a - for every real number b and for every real number c - a(b+c) = ab + ac
Y
Distributive
1/2 (d1 + d2)
Hyotenuse
7. What is the formula for the area of a triangle
Ellipse
Complex
Radius
1/2bh
8. The segment from the center of the polygon perpendicular to as side of the polygon
Secant
Exterior angle
S^2
Apothem
9. Is a polygon that is both equilateral and equangular
Regular polygon
Inverse
Length number
Parabola parallel line
10. What is 4 to the power of 1/2 or 4^1/2
1/2 (d1 + d2)
Transitive
Lw
2
11. The union of two rays having the same end point
Angle
Linear substitute
Complex
Transitive
12. When you find the inverse of a function switch the x value with a ____ - solve for y
Y
Commutative
Transitive
Pi r^2 h
13. What is the formula to calculate the area of a rectangle
Ab
Y
1
Lw
14. In complex numbers the square root of -1 = ______
Distributive
Ratio
Y
I
15. A __________________ is a circle passing through all the vertices of a polygon
Circumscribed circle
A+b
Point slope formula
(pi)r ^2
16. 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)
(n/360) X 2pi r
Associative
0
Arc
17. The square of both a positive number and a negative real number is _____________
Bc
1/2 (d)^2
Positive
Y
18. What is the surface area of a sphere with a radius r
Complex
Parabola
Transitive
4pi r^2
19. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
((n -2) (180))/n
Distance
Equal
Altitude
20. An angle whose measure is greater than 180 degrees and less than 360 degrees
Reflex
Chord
Dependent
x
21. 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)
Angle
Point circle does not exist
Central angle
Equiangular
22. To calculate a permutation (order does not matter) what is the formula
N!/ (n - r)!
Isosceles
Index
1/2 (d)^2
23. An angle whose measure is 180 degrees
1
Straight
Linear substitute
Right
24. A ray _________ divides the angle into 2 angles that have equal measure
Bisect
b/2a
Straight
Linear substitute
25. Every real number is a ______________
Collinear
Isosceles
Multiply
Complex
26. What is the formula for the area of a circle
Size
Bh
(pi)r ^2
Transitive
27. A triangle with no equal sides
Collinear
Scalene
Right angle
Isosceles
28. What property of equality says that a=a
Vertical
Reflexive
Lw
1/3 pi r^2 h
29. If you want to convert a fraction to a percentage you need to make it =
Addition subtration
x over 100
Point line
Adjacent
30. Distance from a ___________ to a _________ is the measure of the perpendicular line segment from the point to that line
Central angle
Point line
x over 100
Ab
31. The square of a real number cannot be ___________
Lw
Right angle
Negative
Commutative
32. Wha tis the volume of a right circular cylinder with a radius of r and a height of h
Parallel
1
Pi r^2 h
Circumscribed circle
33. 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)
Bh
Equiangular polygon
Circumscribed circle
Ellipse
34. _____________ of angles is an equivalance relation - it is reflexive - symmetric and transitive
Pi r^2 h
Congruence
1/2 (d)^2
Rectangle
35. Two angles whose sum totals 90 degrees
Complimentary
Altitude
Regular polygon
Multiply
36. A line that intersects a circle in tow point is called the _______
One
6a^2
Secant
Regular polygon
37. The graph of y= ax^2 + bx + c is a curve know as a ____________
Parabola
Rhomus
Polygon
Positive
38. What is the linear equation where a - b and c are constants b cannot = 0
1/2 (d)^2
Point slope formula
Apothem
Ax+ by = c
39. The absolue value of the difference of the coordinates of any two points on the real number line
Ray
Right
Altitude
Distance
40. How do you calculate the area of a trapezoid (hint h= altitude - perpendicular segment)
Dependent
180
1/2h (b1 + b2)
(n/360) X 2pi r
41. When you see f of g replace the x in f(x) with the ___________
Size
Collinear
G value
A x b x c
42. What is the formula for a combination (where order matters)
(c - d)/d
N!/(r!(n - r)!)
Straight
Hypotenuse
43. A collection of points lying on a flat surface that extend indefinitely in any direction
Plane
Acute
Commutative
Equal
44. If all points lie in the same plane they are __________
Coplanar
1/2bh
A(bc)
1
45. A series adjacent points that connect
Coplanar
Bc
Line
Inverse
46. In a logarithm the answer following the = sign is the __________
Central angle
1/3 pi r^2 h
Congruent
Exponent
47. 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
Length number
Parallel
Equal
Subtract substitute
48. What is the volume of a cone
Altitude
1/3 pi r^2 h
Complimentary
Addition subtration
49. The y value of the vertex of parabola is the equation
(4ac - b^2)/4a
Distance between 2 points
Scalene
Arc
50. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
n
Lw
Consecutive angles
Coplanar