Change of subject of formula

A=5ab [b]

• b=A/5a

• b=5Aab

• b=5Ab

• b=5a/A

Make x the subject of y = mx + 1

• x = (y - 1)/m
• x = y - 1/m
• x = y/m - 1
• x = my - 1

Tags

CCSS.HSA.CED.A.4

Which of the following has "a" as the subject of the formula?

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Tags

CCSS.HSA.CED.A.4

Solve for y:
3x + y = 12

• y = -3x +12
• x = y + 4
• x = y + 12
• y = 3x -12

Tags

CCSS.6.EE.C.9

If m = 3, c = 5 and y = 11, calculate x:
y = mx + c

• x = 2
• x = 38
• x = 8.67
• x = -2.67

Make x the subject:
N = (180 + x)/2

• x = 2N -180
• x = N - 180
• x = N/2 -180
• x = N -180/2

Make r the subject:
A = πr²

• r = √(A/π)
• r = √Aπ
• r = Aπ²
• r = (Aπ)²

Make a the subject of
a + b = c + d

• a = c + d - b
• a = b + c + d
• a = b + c - d
• a = c - b - d

Tags

CCSS.HSA.CED.A.4

Make a the subject of
a + b = c + d

• a = c + d - b
• a = b + c + d
• a = b + c - d
• a = c - b - d

Tags

CCSS.HSA.CED.A.4

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