Alg 1 PM 2-1

Given f(x) = 2x + 1, find the domain value if the range value is 4.

• 9
• 1.5
• 6
• 12

^{_{For the line shown, identify the domain and range.}}

• Domain: { x > 2}        Range: {y > 0 }
• 
  Domain: { x > 0}     Range: {y > 2 }
• 
  Domain: {x ≥ 0 }     Range: {y ≥ 2 }
• 
  Domain: { all real numbers}Range: {all real numbers}

^{_{Identify the domain and range of the graph shown.}}

• Domain: { 0 ≤ x < 3 }  Range: { 0 < y ≤ 3 }
• Domain: { 0 ≤ x ≤ 3 } Range: { 0 ≤ y ≤ 3 }
• 
  Domain: { 0 < x < 3 } Range: { 0 < y < 3 }
• 
  Domain: { 0 ≤ x ≤ 3 } Range: { 0 < y ≤ 3 }

Which linear equation in two variables represents a line that contains the points (3, –5) and (–7, 13)?

• 9x + 5y = 12
• y = 9/2x - 37/2
• y - 13 = 9/2 (x + 5)
• y - 5 = -9/2 (x + 3)

.

• 3x + 2y = –16
• 2x + 3y = –9
• 2x + 3y = 15
• 3x + 2y = 20

.

• 5x + 3y = 87
• 3x + 5y = –65
• 5x + 3y = –63
• 5x + 3y = –87

What is the slope and equation of a line perpendicular to the y-axis passing through point (–5, –3)?

• The slope is zero and the equation of the line is y = –3.
• The slope is undefined and the equation of the line is y = –3.
• The slope is undefined and the equation of the line is x = –5.
• The slope is zero and the equation of the line is x = –5.

What is the slope and equation of a line parallel to the y-axis passing through point (9, –1)?

• The slope is zero and the equation of the line is y = –1.
• The slope is undefined and the equation of the line is y = –1.
• The slope is undefined and the equation of the line is x = 9.
• The slope is zero and the equation of the line is x = 9.

Find the slope of a line which passes through the origin and point (2,4).

• .5
• -.5
• 2
• 4

.

• $2.50
• $5.00
• $2.00
• $45.00