Answer:
D. Irrational
Step-by-step explanation:
I must assume that you meant <span>X^2-10x =7. If that is indeed the case, then:
</span>X^2-10x =7 => x^2 -10x + 25 - 25 = 7, so that (x-5)^2 = 32 (Add 25, then
subtract 25)
Then x-5 = plus or minus sqrt(16)sqrt(2) = 4sqrt(2).
Then x = 5 plus or minus 4 sqrt(2) (answers)
Slope RS: 2/3
Slope ST: -3/2
Slope TU: 4/6 = 2/3
Slope UR: -1/5
Sides RS and TU have the same slope, so they are parallel.
The slope of side ST is the negative reciprocal of the slopes of sides RS and TU, so side ST is perpendicular to sides RS and TU.
Side UR is not parallel or perpendicular to any other side.
The quadrilateral is a trapezoid.
Answer:
b=1-a
Step-by-step explanation:
Inside parenthesis
1/1=1
(replace it with that)
Open parenthesis
a=2-1-b
simplify numbers
a=1-b
isolate b
a-1=-b
multiple each side by negative 1
1-a=b
So slope is rise/run so 5/1 would be your slope. Hope this helped.
