<em>Vertex: </em>
<em />
<em>The vertex is the top point where it curves!</em>
<em>Which is located at: </em>
<em />
<em />
<em>Y-intercept: </em>
<em />
<em>The Y-intercept is when a point doesn't move or left or right and just goes up or down!</em>
<em />
Answer:
-3
Step-by-step explanation:
-7x + 4x = 9
-3x = 9
x = 9/(-3)
<h3>
x = -3</h3>
<h2>
MARK ME AS BRAINLIST </h2>
Answer:
D)
Step-by-step explanation:
That isosceles triangle has just one line of symmetry.
6 is what you're dividing by so it goes on top as the numerator and x + y is the denominator: 
Answer:
4(2a)+7(-4b)+(3•c•5)
8a -28b +(15*c)
Step-by-step explanation: