The value of a can be obtained by substituting 1 to the
equation and equating p(1) = 0.
<span> p(x) = x2a - 3xa + 3x2 -1 </span>
<span>p(1) = a - 3a +3 -1 = 0</span>
<span>therefore a =1</span>
the equation now becomes p(x) = x2 - 3x + 3x2 -1
Answer:
Step-by-step explanation:
(10 - 8)/(-21 + 9)= 12/-12= -1
y - 8 = -1(x + 9)
y - 8 = -x - 9
y = -x - 1
Answer: The width of the library is 22feet.
Perimeter = length+ length+ width+ width
The problem is telling us that the perimeter is 116 and the length is 36. So let’s plug it in and solve for width which equal w
w= width
Step 1: 116= 36+ 36+ w+w
Step 2: 116=72+ 2w
Step 3: 116= 72+2w
-72 -72
Step 4: 44=2w
Step 5: divide 2w on both sides ( 44 divided by 2)
Step 6: w= 22
Answer:
A= 24 m
Step-by-step explanation:
The formula for the area of a trapezoid is A= x h.
Using the formula you plug in the values:
A= x 3
2. Now you simplify the equation and solve
A = x 3
A = 8 x 3
A = 24