It's called "solve the equation for 'y' ". That means move things
around so that you end up with 'y' all alone on one side, and
everything else on the other side.
You started with 9x - 7y = -7
Subtract 9x from each side: - 7y = -9x - 7
Divide each side by -7 : y = 9/7 x + 1
X=5
because 3 goes into 12 4 times and 20 divided by 4 equals 5
Answer:
Step-by-step explanation:
Given
Represent the coordinates of circle A with (x,y)
<u>Translation</u>
Left = 3 units
Up = 4 units
Required
Determine the coordinates of B
When a point (x,y) is translated by h units left, the new point is: (x - h, y)
When a point (x,y) is translated by b units up, the new point is: (x, y + b)
So, when circle A is completely translated to B, the new points of B is:
In this case:
So:
Independent: Hours (Domain)
Dependent: Money (Range)
Domain: [0,30]
Range: [0,330]
The negative in a = -2 for answer A represents a reflection over the x-axis.
What does the cosine graph usually look like?.....It goes through point (0,1) and decreases.
The graph shown goes through point (0,-2). Since there are no vertical or horizontal shifts, the graph has an amplitude of 2 and reflects over the x-axis.
a=2 for answer D does not represent the reflection over the x-axis.
