Probability
Proofs
Angles
Quadratics
Miscelaneous
100
1/5 is this percentage.
What is 20%?
100
This is one of the formats in which a proof can be written.
What is two column/paragraph/flowchart?
100
This is the name for angles less than 90 degrees.
What is an acute angle?
100
This is (x-1)(x+1) in its expanded form.
What is x^2-1?
100
This is the meaning of x>7.
What is x is greater than 7?
200
The probability of landing on a certain number on a spinner is the ratio of these.
What are the degree measures?
200
This is the converse of the statement: "If it is raining, then the ground is wet."
What is "If the ground is wet, then it is raining?"
200
This is the way alternate interior angles are related.
What equality?
200
This is the factorization of x^2+3x+2
What is (x+2)(x+1)?
200
This is the proper name of the number on top of a fraction.
What is the numerator?
300
The probability of landing on a certain number on a dart board is the ratio of these.
What are the areas?
300
This is the type of proof where we begin by assuming what we know to be false.
What is proof by contradiction?
300
The value of x in the if two vertical angles are 2x and 25 degrees.
What is 12.5?
300
This formula can be used to solve quadratics with irrational roots.
What is the quadratic formula?
300
A number which can be made into a fraction is called this.
What is rational?
400
This is the probability of hitting a 2x2 square on a 5x8 dart board.
What is .1?
400
This property, used in proofs, states that anything is equal to itself, or x=x.
What is the law of identities/reflexive property?
400
These are three of the angle congruence proterties.
What are corresponding/alternate interion/alternate exterior/verticle?
400
This is where the graph of x^2+3x+2 touches the x-axis.
What are -1 and -2?
400
The volume of a cone is given by this formula.
What is pi*r^2*h/3?
500
This is the chance of hitting the shaded region or the unshaded region.
What is 100%?
500
The proof of this statement by contradiction would begin: "Assume that the square root of two is rational."
What is "the square root of two is irrational?"
500
Triangles exterior angles are related to the interior angles in this way.
What is being equal to the sum of opposite interior angles?
500
These are what the places a parabola touches the x-axis are called other than x-intercepts.
What are roots?
500
This is the proper name of the xy plane.
What is the Cartesian plane?
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