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Match it! Select the correct answer from the pull down...Good luck!
z varies jointly with x and y. When x = 8 and y = 6, z = 12. Find z when x = -4 and y = 5.
direct variation
y = 5/3
y = 2/3
inverse variation
z = -5
neither
y = 14/3
z = -10/7
y varies inversely with x. If y = -5/4 when x = -4, find y when x = 3.
direct variation
y = 5/3
y = 2/3
inverse variation
z = -5
neither
y = 14/3
z = -10/7
y varies inversely with x. If y = 2 when x = 7, find y when x = 3.
direct variation
y = 5/3
y = 2/3
inverse variation
z = -5
neither
y = 14/3
z = -10/7
z varies jointly with x and y. When x = 6 and y = -7, z = -3. Find z when x = -4 and y = 5.
direct variation
y = 5/3
y = 2/3
inverse variation
z = -5
neither
y = 14/3
z = -10/7
Tell whether x and y show direct variation, inverse variation, or neither: 4x = y
direct variation
y = 5/3
y = 2/3
inverse variation
z = -5
neither
y = 14/3
z = -10/7
Tell whether x and y show direct variation, inverse variation, or neither: y = 2/x
direct variation
y = 5/3
y = 2/3
inverse variation
z = -5
neither
y = 14/3
z = -10/7
y varies inversely with x. If y = -1/6 when x = -12, find y when x = 3.
direct variation
y = 5/3
y = 2/3
inverse variation
z = -5
neither
y = 14/3
z = -10/7
Tell whether x and y show direct variation, inverse variation, or neither: y = x + 4
direct variation
y = 5/3
y = 2/3
inverse variation
z = -5
neither
y = 14/3
z = -10/7
Check it!