Answer:
y= -1= 3(x -3)
Step-by-step explanation:
y -y1= m(x -x1)
y -1= 3(x -3)
Question:
Select the three expressions that are equivalent to
:
a: 
b: 
c: 
d: 
Answer:
a: 
c: 
d: 
Step-by-step explanation:
Given
:
Required
Find equivalent expressions
<em>To solve this question; we'll simplify options a to do, one after the other</em>
a: 
From laws of indices;

This implies that;


From laws of indices;

This implies that


Hence,
is equivalent to 
b. 
From laws of indices;

This implies that


From laws of indices;

This implies that


Hence;
is not equivalent to 
c. 
From laws of indices;

This implies that


Hence,
is equivalent to 
d. 
From laws of indices;

This implies that

From laws of indices;

This implies that


Hence,
is equivalent to 
Step-by-step explanation:

Answer:
The fourth option.
Step-by-step explanation:
In the given equation x^2 + 4x + 9 = 0, a=1, b=4, and c=9. The quadratic formula is in the attachment below so if you plug in a, b, and c you get the fourth option.