Fractions
1/4 + 3/8
5/8
p = 3y
y = p / 3
9x - 1 = 5x + 11
x = 3
x2 + 10x + 21
(x+3) (x+7)
Find the area of a circle with radius 4cm
50.3
2/3 x 3/4
1/2
n = 4 - y
y = 4 - n
5b - 7 = 3b - 2
b = 2.5
x2 - 11x + 30
(x-5) (x-6)
Find the perimeter of a circle with radius 4cm
25.1
2/5 - 1/4
3/20
xy = n
y = n/x
a + b = 14
a - b = 4
a = 9
b = 5
x2 - 81
(x - 9) (x + 9)
Find the area of a circle with diameter 4cm
12.6
5/4 + 2/7 as a mixed fraction
43/28 or 1 and 15/28
p = 2y + 11
y = (p - 11) / 2
ab = 24
a + b = -11
a = -8
b = -3
x2 - x - 30
(x + 5) (x - 6)
Find the area of a semicircle with radius 10cm
157
4/5 divided by 3/4
16/15
p = y/4 - 8
y = 4p + 32
3a - b = 9
2a + 2b = 14
a = 4
b = 3
2x2 - 5x - 12
(2x + 3) (x - 4)
Find the perimeter of a semicircle with radius 10cm
51.4