CHAPTER 2+3

A combination of constants and variables, connected by 4 fundamental arithmetical operations of +, - , X and / is called an -

• Linear Pair

• Algebraic Expression

• Linear Equation

• Algebra

Tags

CCSS.6.EE.A.2C

Graphically, the pair of equations 6x – 3y + 10 = 0 , 2x – y + 9 = 0 represents two lines which are

• intersecting at exactly one point
• intersecting at exactly two points.
• coincident. 
•  parallel.

Tags

CCSS.8.EE.C.8B

The pair of equations x + 2y + 5 = 0 and –3x – 6y + 1 = 0 have  

•  a unique solution
• exactly two solutions
• infinitely many solutions
• No solution

Tags

CCSS.8.EE.C.8B

Graphically, the pair of equations 6x – 3y + 10 = 0 , 2x – y + 9 = 0 represents two lines which are

• intersecting at exactly one point
• intersecting at exactly two points.
• coincident. 
•  parallel.

Tags

CCSS.8.EE.C.8B

What is pair of linear equations in two variables?

• a set of two or more linear equations in the same two variables

• a polynomial with three terms

• set of two linear equations in same two variables

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If a pair of linear equations is consistent, then the lines will be 

•  parallel
• always coincident
• intersecting or coincident
•  always intersecting

Tags

CCSS.8.EE.C.8A

The value of c for which the pair of equations cx – y = 2 and 6x – 2y = 3 will have infinitely many solutions is 

• 3 
• – 3 
• –12 
• no value

Tags

CCSS.8.EE.C.8B

If the zeros of the quadratic polynomial ax² + bx + c ≠ 0 are equal then______

• c and a have opposite signs
• c and b have opposite signs 
• c and a have opposite signs 
• c and b have opposite signs

Tags

CCSS.HSA-REI.B.4B

If α,β be the zeros of the quadratic polynomial 2 - 3x - x², then α + β = _____

• 2
• - 3
• 1
• None of the above

Tags

CCSS.HSA.APR.B.2

The number of quadratic polynomials having zeros -2 and 5 is____

• 1
• 2
• 3
• More than 3

Tags

CCSS.HSF-IF.C.7C