X^2−9=0
Add 9 to both sides.
x^2−9+9=0+9
x^2=9
Take square root.
x=±√9
x=3 or x=−3
Answer:
x=3 or x=−3
Answer:
exact form is -15/2
decimal form is -7.5
mixed number form is -7 1/2
Hope I could help :)
Step-by-step explanation:
<span>In real world variables can be used to represent variable quantities in situations and in patterns.
Example: fishing. When we are fishing and we catch a fish, the fish can be represented with a variable. </span><span> It is particular fish, and we know some facts (the fish swims, it has gills, its size) , but we do not know other details about the fish (exactly which type of fish it is).</span>
Answer:
Vertex : 5
Y - intercept : (0,-4)
Step-by-step explanation:
-4 is on the y-axis.
Vertex is the maximum or the minimum point of the parabola.