What are the coordinates of y=-2x+3
1 answer:
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Answer:
Step-by-step explanation:
Hi there!
Linear equations are typically organized in slope-intercept form: where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)
<u>1) Determine the slope (m)</u>
where two points that fall on the line are
and
Plug in the given points (2,-5) and (8,-2)
Therefore, the slope of the line is . Plug this into
:
<u>2) Determine the y-intercept (b)</u>
Plug in one of the given points and solve for b
Subtract 1 from both sides to isolate b
Therefore, the y-intercept of the line is -6. Plug this back into :
I hope this helps!
Answer:
a = -0.5
b = −1.73
c = −0.70
d = ≈ -0.70710678
Step-by-step explanation:
EXPLAIN Q(a):
sin(−30)
Use the property sin(−x)=−sin(x).
−sin(30)
Get the value of sin(30) from trigonometric values table.
-0.5