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idk > Math > Flashcards

Math Flashcards

1
Q

What is a Cartesian Plane

A

the plane formed when a vertical and horizontal number line cross

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2
Q

What are coordinates

A

the value of an ordered pair

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3
Q

what is a y-axis

A

the vertical number line on a coordinate grid

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4
Q

what is a x-axis

A

the horizontal number line on a coordinate grid

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5
Q

what is the origin

A

the point where the x-axis and the y-axis meet

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6
Q

what are quadrants

A

the four regions on a coordinate grid

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7
Q

what is transformation

A

moving a geometric figure

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8
Q

three ways to move a geometric figure

A

translation, reflection, rotation

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9
Q

what is a translation

A

a slide along a straight line.

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10
Q

what is a reflection

A

a mirror image.

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11
Q

what is rotation

A

a turn about a fixed point.

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12
Q

what is an estimation

A

is finding an approximate answer.

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13
Q

what is an overestimate

A

an estimate that is larger than the actual answer

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14
Q

what is an underestimate

A

an estimate that is smaller than the actual answer

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15
Q

when adding/subtracting decimal numbers

A
  1. Always line up the decimal
  2. Use your knowledge about place value
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16
Q

meaning of bedmas

A

bracket, exponents, division, multiplication,
addition, subtraction

17
Q

what are parallel lines

A

lines that never intersect or cross

18
Q

what are perpendicular lines

A

lines that intersect at 90 degrees

19
Q

what does bisect mean

A

to cut into two

20
Q

what are perpendicular bisectors

A

a line that divides a line segment in half

21
Q

what are angle bisectors

A

divides an angle into two equal parts

22
Q

——— is a four sides figure with opposite sides parallel and equal in length

A

parallelogram

23
Q

area of a rectangle

A

l x w

24
Q

area of a parallelogram

A

b x h

25
Q

area of a triangle

A

b x h /2

idk (4 decks)

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