Benchmark Review (Category 3)

Category 3

Topics include domain/range, writing equations and systems, solving equations and systems.

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• YES

• NO

Tags

CCSS.8.EE.C.8B

• Domain: {-2}
  Range: all real numbers
• Domain: { -6, 3, 4, 5 }
  Range: {-2}
• Domain: x
  ≥ -6
  Range: y = -2
• Domain: {-2}
  Range: { -6, 3, 4, 5 }

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Remember, the DOMAIN is made up of all the X-values.

The RANGE is all the Y-values.

Sometimes, all you have to do is separate the X's from the Y's.

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

• -4 ≤ x < 2
• 0 ≤ y < 3
• -4 < x ≤ 2
• 0 ≤ y < 3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

This was an example of a CONTINUOUS domain. Simply identify the smallest X-value (left) and largest X-value (right) and everything in between.

Pay attention to open/closes circles, as that will help you with your symbols.

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Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Given the table, write the equation in the slope-intercept form.

• y = 1/3x + 6
• y = 3x + 6
• y = 2x + 6
• y = 1/2x + 6

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• NO

Tags

CCSS.8.EE.B.5

Which system of two linear equations in two variables best represents the graph?

• y = 3x – 3

  y = -2x + 7

• y = 2x – 3

  y = -3x + 7

• y = 2x + 3

  y = -3x + 3.5

• y = 7x + 3.5

  y = x – 3

Tags

CCSS.8.EE.C.8B

Remember that DESMOS can graph everything you need as long as it is written in y= form.

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• a = 5

• a = 0

• a = 6

• a = -4

Tags

CCSS.7.EE.B.4A