Equations

True or False:
AB = 0 if and only if A=0 or B=0

• True
• False

Tags

CCSS.7.EE.A.1

True or False:
Multiplying one side of an equation by a number gives an equivalent equation.

• True
• False

Tags

CCSS.HSA.REI.A.1

True or False:
Adding the same number to each side of an equation always gives an equivalent equation.

• True
• False

Tags

CCSS.6.EE.B.7

Which one of the following is an equation?

• 4x-3>1
• |2x-1|<3
• 3x² +2x+1=0
• 17

What is the different between linear and non linear equations?

• Linear equation has two variables while non linear has three variables
• Linear equation has one variable while non linear has square root of the variable
• Linear equation is ax²+bx+c=0 while non linear equation is ax+b=0 

Tags

CCSS.8.F.A.3

Which method that can not be used in solving an equation?

• Factorization
• Completing Square
• Quadratic Formula
• Discriminant

Tags

CCSS.HSA-REI.B.4B

How many real solutions does the equation:
x²-6x+1=0
has?

• No solution
• Two distinct real solutions 
• Exactly one solution

Tags

CCSS.HSA-REI.B.4B

Solve for x.
√√(x-1)+x=1

• x=2, x=3
• x=1
• x=3, x=4
• x=1, x=2

Tags

CCSS.HSA.REI.A.2

Find the solutions for x^4/3-5x^2/3+6=0

• x=1, x=2
• x=2, x=3
• no solution
• x=5, x=1

Solve the equation: 
|2x - 5|=3

• x=1,x=4
• x=2,x=4
• x=2, x=5
• x=1