Quiz 7a Review

what is this symbol called?

>

• greater than

• less than

• less than or equal to

• greater than or equal to

Tags

CCSS.4.NF.A.2

 $\ge$  what is this symbol called?

• greater than

• less than

• less than or equal to

• greater than or equal to

Tags

CCSS.4.NF.A.2

 $5y<10x-5$  Write the equation in y-form.

• y<2x-1

• y<2x+2

• y<2x+1

• y<1

 $5y\ +50x<-5$  Write the equation in y-form.

• y<10x-1

• y<-10x+2

• y<10x+1

• y<5

Tags

CCSS.HSA.REI.D.12

 $\frac{1}{2}x-\frac{4}{5}y>-5$  Is (0,0) a solution?

• Yes, 0>-5

• Yes, 1>-5

• No, 0>-5

• No, 0>0

If an ordered pair is true for one inequality and false for another what does that mean?

• It is false for the system

• It is true for the system

• You can say it is true or it is false for the system

Tags

CCSS.HSA.REI.D.12

 $x-y=50$  

 $x+2y=80$  

What number would you multiply the top equation by to eliminate the y's

• 2

• 80

• 50

• 1

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

 $3x-y=9$  
 $6x+y=9$  

Use elimination. What does x equal?

• x=2

• x=1

• x=9

• x=0

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Is (-5,-5) a solution to the system?

• No, it is not a solution to any of the linear inequalities.

• No, it is a solution to one of the linear inequalities.

• Yes, it is a solution to all the inequalities.

• Yes, it is a solution to one of the linear inequalities.

Tags

CCSS.HSA.REI.D.12

Is (5,-5) a solution to the system?

• No, it is not a solution to any of the linear inequalities.

• No, it is a solution to one of the linear inequalities.

• Yes, it is a solution to all the inequalities.

• Yes, it is a solution to one of the linear inequalities.

Tags

CCSS.HSA.REI.D.12