Practice Quiz - Solutions & Literal Equations

Solve for y: 3x + 6y = 24

• y = 4 - 3x

• y = -2x + 4

• y = -¹/2 x + 4

• y = 4x - 3

Tags

CCSS.6.EE.C.9

Solve for y:
5x - y = 16

• -y = 5x + 16
• y = 5x + 16
• x = 5y - 16
• y = 5x - 16

Tags

CCSS.6.EE.C.9

ax + c = R
(solve for x) 

• ax = R + c
• ax = R - c
• x = a(R-c)
• x = (R-c) / a 

Tags

CCSS.HSA.REI.B.3

Solve the equation for w.  
^{x = w / a}

• w = a / x
• w = x / a
• w = ax
• x = wa

Tags

CCSS.HSA.CED.A.4

pV = nRT

solve for R

• R= p/n + V/T

• R= pV - nT

• R= (pV-n)/T

• R=pV/nT

Tags

CCSS.HSA.CED.A.4

Solve:
C = 2πr, for r

• C/(2π) = r
• C + 2π = r
• C - 2π = r
• 2πC = r

Tags

CCSS.HSA.CED.A.4

How can you tell if an (x,y) point is a solution to an equation?

• It makes the equation positive.

• When you plug in x and y, it makes the equation true.

• It makes logical sense

• It makes the equation negative.

Is (1, 2) a solution to the linear equation 2x + 5y = 12?

• Yes

• No

Select all of the points that are solutions to the equation x + 4y = 20. (Select two that apply)

• (10, 2.5)

• (0, 5)

• (2, 10)

• (5, 3)

How can you tell if a point is a solution to a system?

• It makes the first equation true.
• The (x,y) coordinates satisfy both equations
• It makes logical sense
• It makes neither equation negative