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New Jersey Algebra 1 Unit 1 Formative Practice Assessment

Last updated over 1 year ago
23 questions
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Let a and b be rational numbers and let c be an irrational number.

Part A
Select the appropriate cell in the table to show whether each value is always rational, never rational, or sometimes rational.

a + b
a - b
Always Rational
Never Rational
Sometimes Rational
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Part B
Consider a quadratic equation with integer coefficients and two distinct zeros. If one zero is irrational, which statement is true about the other zero?

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Which factorization can be used to reveal the zeros of the function?

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Which expression is equivalent to
?

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f(2) __________ g(2) and f(-2) __________ g(-2).
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  • Click the graph tab.
  • Click on the graph background to add a point. Add two points to create a graph. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
  • After you have plotted all graphs, click on x or y intercept tab to graph the intercepts.
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  • Use Graph 1 to plot two points to graph the number of hours Leah can work at both jobs to total no more than 20 hours.
  • Use Graph 2 to plot two points to graph the number of hours she needs to work at both jobs to earn at least $120.

  • Click the graph tab.
  • Click on the graph background to add a point. Add two points to create a graph. Drag a point or type in x and y coordinates to edit its position. Click on a point to delete it.
  • After you have plotted all graphs, click on x or y intercept tab to graph the intercepts.
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x= _____

x= _____

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