Answer:
see explanation
Step-by-step explanation:
given the 2 equations
y = x² - 2x - 19 → (1)
y + 4x = 5 → (2)
substitute y = x² - 2x - 19 into (2)
x² - 2x - 19 + 4x = 5 ( subtract 5 from both sides )
x² + 2x - 24 = 0 ← in standard form
(x + 6)(x - 4) = 0 ← in factored form
equate each factor to zero and solve for x
x + 6 = 0 ⇒ x = - 6
x - 4 = 0 ⇒ x = 4
substitute each value of x into (1) for corresponding y- coordinate
x = - 6 : y = (- 6)² - 2(- 6) - 19 = 36 + 12 - 19 = 29 ⇒ (- 6, 29)
x = 4 : y = 4² - 2(4) - 19 = 16 - 8 - 19 = - 11 ⇒ (4, - 11)
the solutions are (- 6, 29), (4, - 11)
<em>Answer:</em>
<em></em>
<em>Step-by-step explanation:</em>
<em>Khan academy huh?</em>
- <em>put the numbers in order from least to greatest.</em>
- <em>find the median</em>
- <em>find the difference between the median and all of the other numbers.</em>
<em></em>
<em></em>
<em>P.S. If you were looking for somebody to tell you the answer don't hold your breath.</em>
Answer:
yes it is because they are both going by two
Step-by-step explanation:
Karim=4,8km,12km,16km Shawn=3,6km,9km,12km
Answer:
It's 8 the answer is 8
Step-by-step explanation:
