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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 square of ((x1-x2) + (y1- y2)) =
Distance between 2 points
Acute
0
Line
2. Log base b to the b^x =
Equal
Isosceles
Linear substitute
x
3. 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)
Obtuse
Pi r^2 h
Point circle does not exist
Straight
4. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Square
Exterior angle
Ellipse
Straight
5. A ___________is a figure with the same number of sides as angles
1/2bh
Length number
S^2
Polygon
6. The square of a real number cannot be ___________
Altitude
Right angle
Negative
Roots
7. The square of 0 is _____
0
Size
Rectangle
D/c
8. In complex numbers the square root of -1 = ______
Straight
I
Addition subtration
Adjacent
9. Two or more distinct lines are said to be ____________ if and only if they are coplanar and they do no intersect
Parallel
4pi r^2
Symmetric
Transitive
10. What is the volume of a cone
1
Radius
1/3 pi r^2 h
1
11. A collection of points lying on a flat surface that extend indefinitely in any direction
Slope
(c+d)/d
Plane
Linear substitute
12. To find the x intersept we need to make __________= 0
Roots
x
Y
1/3 pi r^2 h
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
Ratio
Reflexive
Quadratic formula
Isosceles
14. 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
A x b x c
Function single
Parallel
Equal
15. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Congruent
2
Ratio
Collinear
16. The associative property of multiplicaiton for every real number a - for every realy number b for every real number c (ab)c = ______
Median
Transitive
Straight line
A(bc)
17. An angle whose measure is larger than 90 degrees but less than 180 degrees
Apothem
Complimentary
Obtuse angle
Ellipse
18. When proving 2 polygons are similar - what is the formula you use (hint: n= the number of sides)
((n -2) (180))/n
Isosceles
Regular polygon
(4ac - b^2)/4a
19. A rhomus with a right angle
Commutative
Square
Ray
Trapezoid
20. Two lines are said to be ______________ if they intersect and form right angles
Perpendicular
Slope
Congruence
Arc
21. The square of both a positive number and a negative real number is _____________
Positive
N!/(r!(n - r)!)
Complex
Rectangle
22. What type of trapezoid has its non parallel sides equal
A+b
Isosceles
Consecutive angles
Distance
23. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
(c+d)/d
Right angle
Multiply
1/3 pi r^2 h
24. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Consecutive angles
(pi)r ^2
2
0
25. Two angles whose sum totals 90 degrees
Adjacent
Complimentary
Slope
Vertices
26. In order to decimal to a percentage you need to ______ by 100
Distributive
Multiply
A(bc)
1
27. 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)
Circle
Downward
Addition subtration
Altitude
28. The volume of a cube is
Negative
A^3
180
6a^2
29. Is a polygon whose sides are equal in measure
A(bc)
Plane
Associative
Equilateral polygon
30. If all points lie in the same plane they are __________
N!/(r!(n - r)!)
Adjacent
Coplanar
Circumscribed circle
31. A triangle with a 90 degrees angle
Bisector
Hyotenuse
Vertical
Right
32. 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 ___________
Ax+ by = c
(c - d)/d
Extranous excluded
1
33. 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
Area of a polygon
Transitive
Inverse
Multiply
34. A ray _________ divides the angle into 2 angles that have equal measure
Isosceles
Bisect
Dependent
Positive
35. 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
Index
Subtract substitute
Acute
0
36. A series adjacent points that connect
Obtuse angle
Line
Vertices
Point slope formula
37. When you find the inverse of a function switch the x value with a ____ - solve for y
(n/360) X 2pi r
4pi r^2
Congruence
Y
38. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Perpendicular
Bisector
Altitude
Apothem
39. What is the formula for the area of a triangle
1/2bh
Added
Factor
Ax+ by = c
40. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Vertical
1/2h (b1 + b2)
Equiangular
Secant
41. What is the volume of a sphere with a radius r
Hyotenuse
6a^2
Complex
4/3 pi r^3
42. In a logarithm the answer following the = sign is the __________
S^2
Congruent
Vertical
Exponent
43. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Triangle
Equiangular polygon
Downward
Radius
44. 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)
Equiangular
Adjacent
Y
Ellipse
45. Is a polygon that is both equilateral and equangular
1/3 pi r^2 h
Factoral
Regular polygon
Equilateral
46. 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
0
Median
Multiply
1
47. In the law of proportion if a/b = c/d then (a - b)/b =
(c - d)/d
Acute
Circumscribed circle
A^3
48. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
Side square root
1/2 (d1 + d2)
Isosceles
49. The least common multiple is the smallest quantity divisible by ______ number of the set
Length number
Parabola parallel line
Every
Point line
50. Positions = number of position can be calculated by finding the ______ of the total number of items
Distributive
Distance between 2 points
Factoral
6a^2