Maths
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- Created by: BigJaredStrikesAgain
- Created on: 07-11-17 16:49
What is the equation Frequency/Class Width used to find out?
Frequency Density
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In a circle, angles in the same sector are
equal
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Opposite angles in a cyclic quadrilateral add up to ...
180
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In a circle, angles in alternate segments are...
equal
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In a circle, when a tangent is subtended by a radius, the angle where they meet is ____ degrees
90
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In a circle, the angle where two tangents meet and the angle where their radiuses meet add up to _____ degrees
180
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Current x Resistance is used to calculate what?
Potential Difference
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A^2 = b^2 + c^2 -2bc COS(A) is the cosine rule for what?
Sides
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Cos A = b^2 +c^2 - a^2/ 2bc is the cosine rule for what?
Angles
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Mass/Volume equals what?
Density
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If the Spearman's Rank Correlation is closer to 1, the correlation is ...
Positive
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If the Spearman's Rank Correlation is closer to -1, the correlation is ...
Negative
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If the Spearman's Rank Correlation is closer to 0, there is ... correlation
No
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When factorising a quadratic when A is more than 1, how do you find the number you have to find factors for?
A X C
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When you are given a triangle with 2 angles and 1 side or 2 sides and a non included angle, which rule do you use?
Sine
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When you are given a triangle with 3 sides or two sides and the included angle, which rule do you use?
Cosine
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Sin(0) =
0
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Cos (0) =
1
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The result of multiplying, or an expression that identifies factors to be multiplied
Product
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Numbers we can multiply together to get another number
Factors
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what is a 4 sided shape with every corner touching the circle?
Cyclic quadrilateral
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Angles in a semicircle add up to...
90
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Tan (45) =
1
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Cos(60) =
1/2
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Sin (90) =
1
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Cos (90) =
0
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If two triangles have the same 3 sides SSS are they congruent?
Yes
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If two triangles have the same 3 angles AAA are they congruent?
No
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If two triangles have the same 2 sides and one angle the same (SAS) are they congruent?
Yes
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If two triangles have 2 angles and one side the same (ASA) are they congruent?
Yes
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If two triangles have a right angle and the same hypotenuse and side are they congruent?
Yes
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Two lines are parallel if their gradients are ____
Equal
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Two lines are perpendicular if the product of their gradients is ___
-1
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What is the definition of an identity?
an equality that holds for any values of its variables
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What is the definition of an equation?
a mathematical statement that two things are equal.
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What is a chord?
A line segment connecting two points on a curve
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What is a secant?
A line that intersects two or more points on a curve
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What is an ogive?
a cumulative frequency graph.
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What is a subgraph?
A part of the original graph
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When simplifying an algebraic fraction with quadratics, you must ____ the quadratics
factorise
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When completing the square what form do you put the equation in
(x + a)^2 +/- c
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The top value in a vector bracket indicates to go ......... if it is positive
right
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The top value in a vector bracket indicates to go ......... if it is negative
left
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The bottom value in a vector bracket indicates to go ......... if it is negative
down
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The bottom value in a vector bracket indicates to go ......... if it is positive
up
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What is a line that the graph gets very close to but never touches?
asymptote
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What are the 'roots' of a quadratic graph?
X-intercepts
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In standard deviation what does Σ (sigma) mean?
sum of
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Other cards in this set
Card 2
Front
In a circle, angles in the same sector are
Back
equal
Card 3
Front
Opposite angles in a cyclic quadrilateral add up to ...
Back
Card 4
Front
In a circle, angles in alternate segments are...
Back
Card 5
Front
In a circle, when a tangent is subtended by a radius, the angle where they meet is ____ degrees
Back
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