Answer:
1/3 · -x < 12
Step-by-step explanation:
one third meaning 1/3
"of" meaning multiplication
"opposite" of a "number" meaning negative x
Less than 12 meaning > 12
Answer:
The gradient is 3/7 make y the subject. Then put the coordinates in the equation.
Step-by-step explanation:
44/9 = 4 remainder 8
so as a mixed number it is 4 and 8/9
Answer:
first one is A and the second one is B.
Step-by-step explanation:
X² + y² - 4 x + 2 y = b
x² - 4 x + 4 + y² + 2 y + 1 = b + 4 + 1
( x - 2 )² + ( y + 1 )² = b + 5
y - coordinate of the center of the circle is: y = - 1
b + 5 = r
b + 5 = 7
b = 7 - 5
b = 2