Which of the following ordered pairs is a possible solution to the equation y = -2/3x - 4
1 answer:
The ordered pair that is the possible solution for the equation is (-6,0) (0,-4).
<h3>What is the Slope-intercept form of a linear equation?</h3>
The slope-intercept form of a linear equation takes the form y= mx + b.
Here:
- Slope = m
- b = y-intercept
The function f(x) = y =
The slope (m) = -2/3
The x-intercept is the value of x for which y = 0
- x-intercept = (-6,0)
The y-intercept is the value of y for which x = 0
- y-intercept = (0,-4)
Learn more about the slope-intercept form of a linear equation here:
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Answer:
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
here (h, k) = (2, - 4), thus
y = a(x - 2)² - 4
To find a substitute (- 3, - 3) into the equation
- 3 = a(- 3 - 2)² - 4
- 3 = 25a - 4 ( add 4 to both sides )
1 = 25a ( divide both sides by 25 ), hence
a =
y = (x - 2)² - 4 ← in vertex form
= (x² - 4x + 4) - 4 ← in expanded form
Hence the coefficient of the x² term is