Physics Math Pre-test

Solve for x: 
3x + 4 = x + 8

• 2
• 1/2
• 6
• no answer

Solve for x:
38/x = 5(3) + 4

• 19
• 38
• 2

X = 5, y = 8. Solve for r:

• 13
• 15
• 9
• no answer

Solve for x: 3x/4 = ( 10 + 6x)/5

• 4.4
• 2.2
• 9
• no answer

8/x = (6 + 8)/2

• .875
• 56
• 1.14
• no answer

If x-1 = 2, then x + 1 = ?

• 1
• 2
• 3
• 4

If there are about 3 feet in 1 meter, then 25 meters is about

• 8 feet
• 75 feet
• 450 feet
• 4.5 feet

Tags

CCSS.2.MD.A.2

If x = -2 and y = 5, then 3x²y =

• 180
• -180
• 60
• -60

a⁵b²c⁶/b⁴c²

• a⁵b²c³
• abc
• a⁵b²c⁶/b⁴c²
• a⁵c³/b²

Solve for x:

2x + 3 =7

• 5

• 2

• 1/2

• 20