Answer:
this is the correct graph
That is false because you have to subtract the exponents not divide
The value of "b" is the y-intercept.
In order to figure out slope-intercept form you need 1 coordinate and the slope.
1) Find the slope, using the 2-point slope formula: "m= y2-y1 / x2-x1".
ex. m= -5 - 3 / -4 - -6 (simplify)---> m= -4
2) Fill in the blanks for point-slope formula: "y - y1 = m (x - x1)"
(choose one coordinate, it doesn't matter which one)
ex. y - -5 = -4 (x - -4)
3) Then use basic algebra to simplify.
Answer:
Oldi is best value
Step-by-step explanation:
<u>Lidal</u>
8 rolls for £3.76
72 rolls for £3.76*9= £33.84
<u>Oldi</u>
9 rolls for £4.14
72 rolls for £4.14*8= £33.12
Oldi offers better price for 72 rolls
Question:
Prove that:
Answer:
Proved
Step-by-step explanation:
Given
Required
Prove
Subtract tan(10) from both sides
Factorize the right hand size
Rewrite as:
Divide both sides by 
In trigonometry:
So:
can be expressed as: 
gives
In trigonometry:
So:
Because RHS = LHS
Then:
has been proven
