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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. Two lines are said to be ______________ if they intersect and form right angles
Pi r^2 h
Parabola parallel line
Y
Perpendicular
2. What is the surface area of a right circular cylinder with a radius of r and a height of h
Chord
N!/ (n - r)!
Transitive
2pi r^2 + 2pi rh
3. The __________of a triangle is a line segment from a vertex of the triangle perpendicular to the opposite side
Hypotenuse
Function single
2pi r^2 + 2pi rh
Altitude
4. 2 angles that have their vertices at the endpoints of the same side of a parallelogram are called ____________________
Regular polygon
4/3 pi r^3
Triangle
Consecutive angles
5. When calculating the probability of mutually exclusive event y (can not occur simultaniously) you need to ______their seperate probabilities (uses the word 'or')
Added
Parabola
Square
A+b
6. A triangle whose sides are equal
I
Isosceles
Equilateral
x
7. In a function the x value is the ___________variable
A(bc)
Radius
Rhomus
Dependent
8. The value of x where a point intersects the Y axis= ___________
Triangle
Y
0
Radius
9. A series adjacent points that connect
Ray
Line
Angle
Bisector
10. The possible solution of a quadratic equatin ax^2 + bx + c= 0 are called the_______
1
Circle
Roots
Rhomus
11. The absolue value of the difference of the coordinates of any two points on the real number line
Roots
Multiply
Distance
Straight line
12. What are the 2 formulas to calculate the circumference of a circle
Pi(d) 2(pi)r
Multiply
Acute
2
13. When calculating the number of sides in a polygon make 360 degrees/ n = ______________
Exterior angle
Point circle does not exist
Y
Right
14. When calculating the probability of independent events you need to __________ (words like and &' followed by' )
Radius
Exponent
Multiply
Added
15. In the law of proportion if a/b = c/d then b/a =
Triangle
D/c
Plane
(c+d)/d
16. 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)
n
Collinear
Point circle does not exist
Ellipse
17. 1/a^n can also be written as a to the ______
I
Area of a polygon
n
Function single
18. What is the formula the formula for an arc if you know the radius and the n= central angle
A(bc)
Mildline
(n/360) X 2pi r
6a^2
19. When you see f of g replace the x in f(x) with the ___________
0
G value
Hyotenuse
One
20. Is a polygon whose angles are equal in measurement
Median
Hypotenuse
Equiangular polygon
Polygon
21. The value of y where a point intersects the x axis = __________
Multiply
Acute
0
Vertical
22. In a quadratic formula if the a value of the parabola is less than 0 the parabola opens ___________
Downward
Parabola
Slope
Ax+ by = c
23. What is the formula for the area of a triangle
Right
D/c
Bh
1/2bh
24. The x value of the vertex of a parabola is the equation
b/2a
One
Central angle
Ab
25. Log base b to the b = ____________
(n/360) X 2pi r
1
One
(4ac - b^2)/4a
26. If a triangle has two congruent sides then it is an _________triangle
Isosceles
1/3 pi r^2 h
Bh
1/2 (d)^2
27. A line segment joining two poing on a circle is called a ________
1/2 (d)^2
Chord
Multiply
Ratio
28. A triangle with having at least 2 equal sides
Slope
Y
Isosceles
Radius
29. The _______ tells how many times the root needs to be multiplied by itself
0
Index
Added
Size
30. The __________property of additon says that fro every real number a - ther is a real number such that a + - a = - a+ a = 0
Inverse
Rectangle
(c+d)/d
Pi r^2 h
31. The square of 0 is _____
0
Parabola
Square
Arc
32. Every real number is a ______________
Complex
Equal
Subtract substitute
Scalene
33. What is the area of a pyramid or cone (hint B= area of Base)
1/3Bh
Y
Ab
Trapezoid
34. The __________property of multiplicaiton for every real numver a - for every real number b ab= ba
1/2 (d)^2
One
Commutative
1/3 pi r^2 h
35. The surface area of a cube is what formula
Hyperbola
Acute
Reflex
6a^2
36. Two angles with a common vertex and with sides that are 2 pairs of opposite rays
Vertical
Positive
Exponent
Lw
37. What is the formula for the area of a square
Right
b/2a
S^2
Rectangle
38. What is the formula for the area of a rhomus - (hint d= diagonal)
Associative
1/2 (d1 + d2)
Coplanar
Pi r^2 h
39. Use ____________= 1/2a X p (where a = apothem and p = the perimeter)
1/2 (d1 + d2)
4/3 pi r^3
Central angle
Area of a polygon
40. 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
Equal
Vertices
S^2
1/2 (d)^2
41. Two angles whose sum totals 180 degrees
Secant
Obtuse
Linear substitute
Supplementary
42. The perimeter of two similar polygons have the same ratio as the measure of any pair of corresponding line segments of the polygon
Ratio
A(bc)
N!/(r!(n - r)!)
Slope
43. What is the square of ((x1-x2) + (y1- y2)) =
Congruent
Rectangle
Adjacent
Distance between 2 points
44. Angles that are equal
Congruent
Parabola
N!/(r!(n - r)!)
Pi(d) 2(pi)r
45. The ____________ says y - y1= m(x-x1)
Area of a polygon
Point slope formula
Adjacent
Circumscribed circle
46. Is a polygon that is both equilateral and equangular
Acute
Distance
Distributive
Regular polygon
47. What is the formula to calculate the area of a rectangle
Distance between 2 points
Lw
1/3 pi r^2 h
0
48. The y value of the vertex of parabola is the equation
6a^2
Coplanar
Ab
(4ac - b^2)/4a
49. 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
Y
A x b x c
Triangle
Point circle does not exist
50. What is the surface area of a sphere with a radius r
Point circle does not exist
Ellipse
4pi r^2
Multiply
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