Answer:
These slopes are perpendicular
Step-by-step explanation:
y = -1/3 x + 2 ; slope = -1/3
y = 3x - 5; slope = 3
Perpendicular lines, slope is opposite and reciprocal
So answer is perpendicular
To solve the question we need to calculate the equation of the straight line;
the equation is given by:
m=(y1-y)/(x2-x)
where;
m is the slope;
selecting 2 points from the graph say (0,2) and (2,0), the slope of the graoh will be:
m=(0-2)/(2-0)=-1
thus using point (-2,4) the equation will be given by:
-1=(y-4)/(x+2)
-1(x+2)=(y-4)
this can be written as:
-x-2=y-4
this can be written as:
y+2=-x+4
this can be written as:
y+2=-(x-2)
The answer is A.y+2=-(x-2)
Answer:
10%
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Answer:
Currently, Alex is 32 years old. His son is 8 years old,
Solution: denote the age of Alex’s son as ‘x’. Alex’s age is 4x
In 16 years, Alex’s age will be 4x + 16. His son’s age will be x + 16
4x + 16 = 2(x+16). solving this equation yields:
4x + 16 = 2x + 32. Grouping like terms algebraically gives: 2x = 16
Thus x = 16/2 = 8. 4(8) = 32
Answer:
Slope = -13/10
Step-by-step explanation:
In order to find a slope of an equation, you must use the equation for a slope:
Slope = (y2 - y1) / (x2 - x1)
Use the provided coordinates in order to plug in the x and y values:
(-19, 12)
(-9, 1)
y2 = 12
y1 = 1
x2 = -19
x1 = -9
( 12 - 1) / (-19 - -9) = (13) / (-19 + 9) = 13 / -10 = -13/10