1. Graph the function x^2 +4x-12 on the coordinate plane.
1 answer:
The solution of the given equation is ( 2, -6).
<h3>What is a graph?</h3>A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.
When we plot the graph on the coordinate plane we will get two values of x which are ( 2, -6) and the graph will be a parabola.
Therefore the solution of the given equation is ( 2, -6).
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Answer:
(- 2, 15 ) and (2, 7 )
Step-by-step explanation:
Given the 2 equations
y = 3x² - 2x - 1 → (1)
2x + y = 11 → (2) ← subtract 2x from both sides
y = 11 - 2x → (3)
Substitute y = 3x² - 2x - 1 into (3)
3x² - 2x - 1 = 11 - 2x ( subtract 11 - 2x from both sides )
3x² - 12 = 0 ( add 12 to both sides )
3x² = 12 ( divide both sides by 3 )
x² = 4 ( take the square root of both sides )
x = ± = ± 2
Substitute these values into (3) for corresponding values of y
x = - 2 : y = 11 - 2(- 2) = 11 + 4 = 15 ⇒ (- 2, 15 )
x = 2 : y = 11 - 2(2) = 11 - 4 = 7 ⇒ (2, 7 )
Answer:
<h2>v = 5.0</h2>Step-by-step explanation:
when u = 1.6
a = 5.6
t = 2
Substitute the values into the above formula and solve for v
That's
We have the final answer as
<h3>v = 5.0 to one decimal place</h3>Hope this helps you