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Worksheets8th Grade MATH VOCABULARY #2
Total questions: 20
Worksheet time: 20mins
Equation and slope of a horizontal (flat) line is when
y=a number (where it crosses the ___-axis) and the slope is _____
x axis, 0
y axis, 0
1/2
zero
Equation and slope of a vertical (up/down) line is when x=a number (where it crosses the ___-axis) and the slope is __________.
x, undefined
equation, undefined
y, undefined
The equation for slope-intercept form is y=mx + b, where m= ______(constant rate) and b=_______
slope, x-intercept
rate
equation
slope, y-intercept
The y intercept is the point where line crosses _____-axis (put in zero for x): (0,b)
y
x
slope
rate
The x intercept is the point where line crosses _____-axis (put in zero for x): (0,b)
y
x
equation
slope
What are possible slopes of a graph?
only positive and negative
positive, negative, undefined, and zero
only undefined and zero
zero
The slope formula (to find slope) is:
Rise / Run
m = (y2 - y1) / (x2 - x1)
y axis
x axis
slope-intercept
What are the parts of a graph/coordinate plane?
only the x-axis and y-axis
only the quadrants
an equation
X-axis
Y-axis
Quadrants 1,2,3,4
If the scale factor is 1/2 what happens to an image?
Nothing
It gets larger
It flips
It decreases in size.
The hypotenuse of a right triangle is always
larger than the legs
the same as the legs
smaller than the legs
has no relationship with the legs
Which variable in y=mx+b, represents the "rate"?
m
b
x
y
In y=mx+b, what is the y-intercept?
m
b
x
y
