Answer:
-1
Step-by-step explanation:
BODMAS
4x2=8
8-9=(impossible)
9-8= -1
NB:8 was smaller to 9 so we switched but the answer becomes nehative
Answer:
The answer is 42.1764.....
Step-by-step explanation:
Answer:
17
Step-by-step explanation:
According to the vertex and the directrix of the given parabola, the equation is:

<h3>What is the equation of a parabola given it’s vertex?</h3>
The equation of a quadratic function, of vertex (h,k), is given by:

In which a is the leading coefficient.
The directrix is at y = k + 4a.
In this problem, the vertex is (1,4), hence:

The directrix is at y = 7, hence:


Hence, the equation is:


More can be learned about the equation of a parabola at brainly.com/question/26144898