Roots of the quadratic equation 0=2x^2+12x-14
2 answers:
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x < -
add to both sides
- 3x > +
- 3x > ( divide both sides by - 3 )
note that when we divide/ multiply by a negative quantity we must reverse the inequality symbol
x < -
Answer:
7
Step-by-step explanation:
7 is approximate to because 7 is
, and 49 is close to 47
Answer:
A, B, E
Step-by-step explanation:
The attachment shows a graph of the function. It tends to infinity for x going to infinity in either direction. (A, B are true)
The right-side piece is cubic, not quadratic.
The U-shape tells you the function is decreasing on the left side.
The two function definitions have the same value at x=2, so the function has no discontinuities. It is continuous. (E is true)
