Help Is it linear or exponential
1 answer:
<h3><u>Explanation</u></h3>
- Linear
Linear is a straight line. You might have heard of Linear Function.
The equation above is slope-intercept form.
- Exponential
Exponential is both increasing graph and decreasing graph depending on the coefficient.
<u>Exponential</u><u> </u><u>Equation</u>
<u></u>
Exponential Graph increases when a-term is greater or equal to 1.
Exponential Graph decreases when a-term is greater than 0 but less than 1.
From the equation, it is exponential of x-term as an exponent. The equation matches with exponential form.
<h3><u>Answer</u></h3>- Exponential
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Answer:
vertex = (- 1, 1 )
Step-by-step explanation:
Given a parabola in standard form
y = ax² + bx + c ( a ≠ 0 )
Then the x- coordinate of the vertex is
x = -
y = x² + 2x + 2 ← is in standard form
with a = 1 and b = 2 , then
x = - = - 1
substitute x = - 1 into the equation for y- coordinate of vertex
y = (- 1)² + 2(- 1) + 2 = 1 - 2 + 2 = 1
vertex = (- 1, 1 )