Answer:
f(-3) = 16
Step-by-step explanation:
You substitute -3 to x.
f(-3) = 2(-3)² - 5(-3) - 17
f(-3) = 16.
As for the coordinates, the coordinates plotted in the graph above are (1,-1) and (2,-2).
Place a point at (0,-5) because that is the y-intercept (the -5 on the vertical line)
Since the slope is negative two which can be re-written as -2/1 (rise/run) you go down two and to the right once or up two and to the left once, it doesn't matter which. Another point can be placed at (1,-7) or (-3,-1), it still doesn't matter which.
Then you can draw a line connecting the two points.
I hope this helps :)
Let me know if you need further explanation
Answer:
That would be the 3rd explanation, the plane has 4 points.
Step-by-step explanation:
Answer:
51
Step-by-step explanation:
All triangles =180 degrees
180-78 = 102
Since this triangle is an isosceles triangle, that means that 2 sides are the same length, and that 2 angles are the same.
102/2 (you divide by 2 bc the angles unknown are the same measurement) and that equals 51 degrees