Algebra (30)
Simplify:
9x+6-7x-3
2x+3
f(x) = 2x+5.
If f(x) = 23, what is the value of x?
x=9
find inverse of
y = 2x-7
y = (x+7)/2
The length of a rectangle is 3 times the width. Knowing that the perimeter is 48, find the length.
18
Ms. Mavic, Mr. Arch
Simplify:
(3/x) - (3/(x-1))
-3/(x(x-1))
Find the composite of these two functions.
f 0 g (1)
f(x) = x+ x^2
g(x) = x
2
find inverse of
y = 3 + 1/x
f^-1(x) = 1/(x-3)
In the library there are Math and Physics books. There are 5 more physics books than math books. If the total number of books in the library is 25, how many math books are there?
10
Ms. Cathy
50 % of 14 is what percent of 35 ?
20
Simplify:
f (x) = 10 / ( x+2) - 5 / (x-2)
f(x) = (5x-30)/((x+2)(x-2))
find inverse of
y = (x+3)/(x-4)
y = (3+4x)/(x-1)
The length of a rectangle is 4 meters more than its width. If the area of this rectangle is 5 m^2, then the peremiter of the rectangle is?
P = 12 cm
Who has candies in their classroom that they give out every class?
Ms. Mavic
Find the solution of
(2x+3)/4 = (x+7)/3
x=9.5
find the composite of these two functions f 0 g (x)
f(x) = 1/x + 1 /x^2
g(x) = 1/x
f 0 g (x) = x +
x^2
Find the inverse of
y = (2x-1)/(2x-5)
f^-1(x) = (5x-1)/(2x-2)
Ms. Sehnila and Ms. Mavic has 1210 candies. 4/15 of Ms. Sehnila’s candies are equal to 2/5 of Ms. Mavic’s candies. How many candies does Ms. Mavic have?
484
Which teacher makes each group of students have a table name?
Ms. Ro
Points a,b, c and d are arranged on a line.
Respectively,
if ad =21 Bd= 14, and ac=13, then bc =
bc = 6
find the composite of these two functions f 0 g (x)
f(x) = 2/g(x)
g(x) = x + 1
f 0 g (x) = 2 / (x +2 )
F(x) = (x-1)/3 + x/2
and
F^-1(x) = (6x+2)/5
are inverse ?
yes
The length of a rectangle is 2 meters more than its width. If the area of this rectangle is 24 m^2, then the length of the rectangle is?
6
Which teacher has patterned answers for their MCQ homework? (e.g. AABAAB; CDCCDC)
Mr. Vaughn