Answer:
(- 
, - 
) and (3, 3 )
Step-by-step explanation:
Given the 2 equations
x² + y² = 18 → (1)
x - 2y = - 3 → (2)
Rearrange (2) expressing x in terms of y by adding 2y to both sides.
x = 2y - 3 → (3)
Substitute x = 2y - 3 into (1)
(2y - 3)² + y² = 18 ← expand left side and simplify
4y² - 12y + 9 + y² = 18
5y² - 12y + 9 = 18 ( subtract 18 from both sides )
5y² - 12y - 9 = 0 ← in standard form
(5y + 3)(y - 3) = 0 ← in factored form
Equate each factor to zero and solve for y
5y + 3 = 0 ⇒ 5y = - 3 ⇒ y = -
y - 3 = 0 ⇒ y = 3
Substitute these values into (3) for corresponding values of x
y = - : x = - 
- 3 = - ⇒ ( - , - )
y = 3 : x = 6 - 3 = 3 ⇒ (3, 3 )
Answer:
4x+y=34
Step-by-step explanation:
Linear equations can be written in 3 forms:
slope-intercept form
standard form
point-slope form
standard form's formula is ax+by=c,
now sub in 34 for c and 4 for a
4x+by=34
we can put in 1 for b since there is no other integers
4x+y=34
The answer for <span>−n+(−4)−(−4n)+6 is 2
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Answer:
499.00+49.99x the variable is how many games they get
Step-by-step explanation:
Answer:
Step-by-step explanation:
Chance of picking a house 1 year old is 17%
Chance of picking a house 2 years old is 22%
Chance of picking a house 3 years old is 28%
Chance of picking a house 4 years old is 33%
The only graph most fitting is the top graph of the first answer choice picture or:
