New Jersey Algebra 1 Unit 1 Formative Practice Assessment

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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.

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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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Instructions

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.

Instructions

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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3

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x= _

x= _

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	a + b	a - b
Always Rational
Never Rational
Sometimes Rational

	a + b	a - b
Always Rational
Never Rational
Sometimes Rational

New Jersey Algebra 1 Unit 1 Formative Practice Assessment

Let a and b be rational numbers and let c be an irrational number.Part ASelect the appropriate cell in the table to show whether each value is always rational, never rational, or sometimes rational.

Part BConsider a quadratic equation with integer coefficients and two distinct zeros. If one zero is irrational, which statement is true about the other zero?

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

Which expression is equivalent to ?

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.

x= _____x= _____

Let a and b be rational numbers and let c be an irrational number.Part ASelect the appropriate cell in the table to show whether each value is always rational, never rational, or sometimes rational.

Part BConsider a quadratic equation with integer coefficients and two distinct zeros. If one zero is irrational, which statement is true about the other zero?

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

Which expression is equivalent to ?

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.

x= _____x= _____

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.

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?

Which expression is equivalent to
?

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.

x= _

x= _

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.

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?

Which expression is equivalent to
?

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.

x= _

x= _