Does the equation y=14x show a proportional relationship between x and y? Explain.
2 answers:
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Answer: 88cm^2
Step-by-step explanation:
To find the answer of a rectangular prism, use this formula:
For your prism, h = 4, l = 6, and w = 2.
Area is equal to 88 cm squared.
Answer:
Step-by-step explanation:
y = x² + x - 3
x = - 3
y = ( - 3 )² + ( - 3 ) - 3 = 3
( - 3 , <em>3</em> )
x = 0 ⇒ y = - 3
( 0 , <em>- 3</em> )
x = 1
y = ( 1 )² + ( 1 ) - 3 = - 1
( 1 , <em>- 1 </em>)
<em>(b).</em> Coordinate x of the vertex of quadratic equation y = ax² + bx + c is
-
x = - = -
= - 0.5
y = ( - 0.5 )² + ( - 0.5 ) - 3 = - 3.25 = - 3
( - , - 3
)
