Algebra Review 1

Match the following

• 7xy

• The sum of 7 times b and c

• 7(b+c)

• The sum of 7 and the product of b and c

• 7b+c

• The product of 7 and the sum of b and c

• 7+bc

• The product of 7 times b and c

Use the graph to find the x- intercept, y-intercept, as well as where its positive and negative.

• x intercept:

  (-2, 0) , (0, 0) and (2, 0)

  y-intercept:

  (0, 0)

  Positive:

  -2<x<0 and x>2

  Negative:

  x<-2 and 0<x<2

• x intercept:

  (-2, 0) , (0, 0) and (2, 0)

  y-intercept:

  (0, 0)

  Positive:

  x<-2 and 0<x<2

  Negative:

  -2<x<0 and x>2

• x intercept:

  (0, 0) , (0, -2) and (0, 2)

  y-intercept:

  (0, 0)

  Positive:

  x<-2 and 0<x<2

  Negative:

  -2<x<0 and x>2

• x intercept:

  (0, 0) , (0, -2) and (0, 2)

  y-intercept:

  (0, 0)

  Positive:

  -2<x<0 and x>2

  Negative:

  x<-2 and 0<x<2

The graph represents a ​ ​ ​ (a)   . It is a ​ (b)   . It is a ​ (c)   graph.

• function
• nonlinear
• continuous
• not a function
• linear
• discrete
• neither

Reorder the following in solving 3x + 2 =17

• x = 5

• 3x + 2 -2 = 17 - 2

• 3x /3 =15/ 3

• 3x = 15

• 15

• 2/3

• 5

• 25

Organize these options into the right categories

Groups:

(a) Discrete

,

(b) Continuous

,

(c) Neither

• 
• 
• 

Organize these options into the right categories

Groups:

(a) Function

,

(b) Not a Function

• 
• 
• 
• 
• 
• 

• 5x+10 =3x+8

• 5x+5 =3x+8

• 2x = 6

• -2x = -6

• x = 5

Describe the end behavior of the graph:

• As

  x increases, y decreases;

  As

  x decreases, y increases

• As

  x increases, y increases;

  As

  x decreases, y increases

• As

  x increases, y decreases;

  As

  x decreases, y decreases

Describe the end behavior of the graph:

• As

  x increases, y decreases;

  As

  x decreases, y increases

• As

  x increases, y increases;

  As

  x decreases, y increases

• As

  x increases, y decreases;

  As

  x decreases, y decreases