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unity math 3 ch3 equations in 2 variables > Ch3 Concept and Formulas Review > Flashcards

Ch3 Concept and Formulas Review Flashcards

1
Q

For y=mx how to calculate unknown constant m when a paired value of x and y were given? Saying the value gien for x and y pair as x1 and y1.

A

replace the x and y in formula using given paied value y1=m×x1 next step we solve this equation to get m as x1×m÷x1＝y1÷x1 so m ＝ y1÷x1

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2
Q

how to calculate distance using speed and time？

A

distance = speed × time

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3
Q

how to calculate speed using distance and time?

A

speed ＝ distance ÷ time

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4
Q

how to calculate time needed for moving distance and speed?

A

time ＝ distance ÷ speed

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5
Q

how to calculate total cost to buy a number of thing at the unit price?

A

total cost ＝unit price × number of items

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6
Q

how to calculate unit price when the toal.cost and number of items were given?

A

unit price ＝total cost ÷ number of item

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7
Q

Meaning of Slope

A
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8
Q

Example of slope in real life?

A
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9
Q

what is the meaning of y-intercept?

A
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10
Q

what is the meaning of x-intercept

A
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11
Q

how to find x-intercept?

A
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12
Q

how to find y-intercept?

A
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13
Q

what are the real-life examples of y-intercept?

A
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14
Q

what is the slope-intercept form of linear relationship?

A
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15
Q

what is the point-intercept form of linear relationship?

A
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16
Q

what is the standard form of linear relationship?

A
17
Q

Give an example of a real-life slope-intercept form of a linear relationship.

A
18
Q

Give an example of a real-life point-slope form of a linear relationship.

A
19
Q

Give an example of a real-life standard form of a linear relationship.

A
20
Q

how to use a slope when drawing the line of linear relationship?

A
21
Q

how to use a y-intercept when drawing the line of linear relationship?

A
22
Q

The 3 steps of drawing a line of the slope-intercept form of linear relationship are?

A
23
Q

The 3 steps of drawing a line of the Point-Slope form of linear relationship are?

A

unity math 3 ch3 equations in 2 variables (14 decks)

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