Solve for y
Parallel
Perpendicular
Vocab/Stuff to Know
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100
What is 3x -2y = 6 solved for y?
y = 3/2x - 3
100
Describe the slopes of two parallel lines.
They have the same slope.
100
Describe the slopes of two lines that are perpendicular.
Their slopes are negative reciprocals.
100
What is the Domain of a function?
The set of all x-values.
100
Name the 4 types of slope.
Positive, negative, no slope, and zero slope.
200
What is 4y + x = 8 solved for y?
y = -1/4x + 2
200
What is the slope of a line parallel to y = 2x + 3 ?
2
200
What is the slope of a line that is perpendicular to y = 5x - 3?
-1/5
200
A relation has the ordered pairs (3,1), (,4,2),( 4,3),( 0,7) & (-2, -3). Is it a function?
NO! The x-value 4 is paired with more than one y-value.
200
Are the lines y = 3x + 4 and y = -3x - 2 parallel, perpendicular or neither?
neither....they do not have the same slope, and they do not have negative reciprocal slopes.
300
What is 3 = 6x + 6y in y=mx + b form?
y = -1x + 1/2
300
What is the slope of a line parallel to y = -3/4 - 1/4x ?
-1/4
300
What is the slope of a line that is perpendicular to y = x?
-1
300
What is the range of the relation (2,5), (3, 6), (4, -2 ), and ( 4, 0 )?
The set of all the y-values: { 5,6,-2, 0 }
300
What is the y-intercept of the line 3/4x = y + 2 ?
-2
400
What is -3y - 6 = -9x solved for y?
y = 3x - 2
400
What is the slope of a line parallel to 5y = 2x + 3?
2/5
400
What is the slope of a line that is perpendicular to 2y = 3x + 5?
-2/3
400
What axis is the line y = 7 parallel to?
The x-axis.
400
Is the relation (2,3),(1,4), (3, 3),(5,4) a function?
YES! Every x is paired with ONE and ONLY ONE y.
500
What is 2x - y - 10 = 0 solved for y?
y = 2x - 10
500
What is the slope of a line parallel to 2x - 3y = 7 ?
2/3
500
What is the slope of a line that is perpendicular to 3x + 4y = 5?
4/3
500
What is the slope of a line containing the points (6,4) & ( -2, 3 )?
Slope formula: (y2 - y1) / (x2 - x1) (4-3) / (6 - -2) = 1 / 8
500
Which ordered pair is a solution to the graph 3x - y = 9? A.) ( 4, 1 ) B.) ( 2, -3 ) C.) ( 5, 0 ) D.) ( 10, 10 )
Choice B. 3(2) - - 3 = 9. --> 6 + 3 = 9
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