When y=-2, what kind of line does it have horizontal or vertical
1 answer:
Answer: Horizontal
Step-by-step explanation: The equation <em>y = -2</em> can be thought of as y = 0x - 2. So our line has a slope of 0 and a y-intercept of -2.
To graph it, we start with the y-intercept, down 2 units on the y-axis. Now, if the slope of a line is 0, then the line must be flat or horizontal.
So we just draw a horizontal line through the y-intercept of -2.
In fact, when the equation of any line reads y = a number, it's graph will always be a horizontal line. For example, y = 3, y = -10, y = -8 and so on.
Image provided below.
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Answer:
The length of hypotenuse is cm
Step-by-step explanation:
Let's length of hypotenuse is x
Since, a 12 cm altitude to the hypotenuse of a right triangle divides the hypotenuse into segments with ratio 3:2
so,
First part of hypotenuse length is
Second part of hypotenuse length is
now, we can draw triangle
We can see that
triangles ABD and ABC are similar
so, the ratio of their sides must be equal
now, we can solve for x
So,
The length of hypotenuse is cm
