C you reduce 4/12 to 2/6 which then is 1/3
Answer:
30 inches
Step-by-step explanation:
240/20=12
12x2.5=30
Answer:
y = 2x + 3
Step-by-step explanation:
Going from point (0, 3) to point (1, 5), you go 2 units up and 1 unit right. That means the rise is 2, and the run is 1.
slope = rise/run = 2/1 = 2
The slope is 2.
y = 2x + b has a slope of 2.
Now we need b.
Looking at the graph, we see that the y-intercept of the line is point (0, 3), so b = 3.
The equation is
y = 2x + 3
Answer:
x^2+6x+3=0
(X+3)^2-9+3=0
since (x+3)^2>=0 for any real value of x
at vertex
(X+3)^2=0
X=-3
i.e y=0-9+3=-6
vertex (-3,-6)
at y intercept x=0
y=3
x^2 coefficient is positive
therefore this is a concave up graph
