Question 341548
 Complete the following statements with never, sometimes, or always. 
1. There are always_ an infinite number of solutions to a two variable equation in standard form.

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2. The graph of a linear equation sometimes__ has an x-intercept.
y=3 does not have an x-intercept.

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3. If y varies directly with x, the constant of variation k is sometimes __ negative.
Direct variation: y = kx 
If x = -3 when y = 9, k = -3
If x = 3 when y = 9, k = 3
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Cheers,
Stan H.