B
Any point reflected across the x axis is (x,-y) so (2,3) becomes (2,-3)
Answer:
see explanation
Step-by-step explanation:
Under a rotation about the origin of 90°
a point (x, y ) → (- y, x ), thus
C(6, 6 ) → C'(- 6, 6 )
D(6, 8 ) → D'(- 8, 6 )
E(8, 10 ) → E'(- 10, 8 )
F(10, 8 ) → F'(- 8, 10 )
To answer this we would need the expressions given.
A table which correctly identifies three points on the graph is; Choice D
<h3>Slope of graph</h3>
According to the information given in the graph;
- The van travels at a constant speed of 55 miles per hour.
On this note, the graph of the distance against time for the van has a slope of 55.
Ultimately,
- At the starting point, t= 0, distance = 0
The correct table is therefore Choice D.
Read more on Slope of a graph:
brainly.com/question/19376563
Answer:
(x, y) = (5, 1)
Step-by-step explanation:
To <em>eliminate</em> x, you can double the second equation and subtract the first.
... 2(x +4y) -(2x -3y) = 2(9) -(7)
...11y = 11 . . . . . simplify
... y = 1 . . . . . . divide by 11
Using the second equation to find x, we have ...
... x + 4·1 = 9
... x = 5 . . . . . subtract 4
_____
<u>Check</u>
2·5 -3·1 = 10 -3 = 7 . . . . agrees with the first equation
(Since we used the second equation to find x, we know it will check.)
