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Algebra 1 Semester 1 Review. Mr. Collins 2007-2008. 1. Evaluate and grid your answers. A. 12. 1. Evaluate and grid your answers. B. for x=6.25. 1. 1. Evaluate and grid your answers. C. 1 5 / 4. 1. Evaluate and grid your answers. D. 7 / 2.

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algebra 1 semester 1 review

Algebra 1Semester 1 Review

Mr. Collins

2007-2008

Christopher Collins - Leto High School

slide2

1. Evaluate and grid your answers.

A.

12

Christopher Collins - Leto High School

slide3

1. Evaluate and grid your answers.

B.

for x=6.25

1

Christopher Collins - Leto High School

slide4

1. Evaluate and grid your answers.

C.

1 5 / 4

Christopher Collins - Leto High School

slide5

1. Evaluate and grid your answers.

D.

7 / 2

Christopher Collins - Leto High School

slide6

2. Give the slope of the line with equation

Remember y = m x + b

m = SLOPE

The slope is 2!

Christopher Collins - Leto High School

slide7

3.Give the slope of the line with equation:

slope is

Christopher Collins - Leto High School

slide8

4. Give the slope of the line with equation

slope is

Christopher Collins - Leto High School

slide9
-1/3

3

0

D. undefined

E. 3/2

F. -2/3

5. Find the slope of each line.

slope = m =

Christopher Collins - Leto High School

slide10

6. Find the y-intercept of the lines below.

A.

Remember that you can find the y-intercept by plugging in 0 for x and solving for y.

Christopher Collins - Leto High School

slide11

6. Find the y-intercept of the lines below.

B.

Remember that you can find the y-intercept by plugging in 0 for x and solving for y.

Christopher Collins - Leto High School

slide12

6. Find the y-intercept of the lines below.

C.

Remember that you can find the y-intercept by plugging in 0 for x and solving for y.

Christopher Collins - Leto High School

slide13

7. Find the x-intercept of the lines below.

A.

Remember that you can find the x-intercept by plugging in 0 for y and solving for x.

Christopher Collins - Leto High School

slide14

7. Find the x-intercept of the lines below.

B.

Remember that you can find the x-intercept by plugging in 0 for y and solving for x.

Christopher Collins - Leto High School

slide15

7. Find the x-intercept of the lines below.

C.

Remember that you can find the x-intercept by plugging in 0 for y and solving for x.

Christopher Collins - Leto High School

8 choose the algebraic expression for each verbal expression see the choices below matching
A. Four more than twice a number.

B. Four less than twice a number.

C. Twice the sum of a number and four.

D. Twice the difference of a number and

four.

E. The product of twice a number and four.

F. Four less than twice a number.

Choices:

1. 2.

3. 4.

5. 6.

7. 8.

8. Choose the algebraic expression for each verbal expression. (See the choices below.) MATCHING:

Christopher Collins - Leto High School

slide17

9. Use the distributive property to rewrite the expression:

Answer choice C

Christopher Collins - Leto High School

slide18

10. Samuel and Joyce both bought CDs. Samuel bought 3x CDs and Joyce bought 2x-1 CDs. If each CD had a regular price of $18 and a discount of $2, then which expression would show the amount of discount for all of their CDs?

The total number of cd’s

The discount was $2 per cd,

Christopher Collins - Leto High School

slide19

What is the expression for the COST of their CDs, combined? (ignore tax)

The total number of cd’s

The price of cd’s were $18-$2 = $16 apiece

Christopher Collins - Leto High School

slide20

11. Match the statement with the equation: (Choices are below)

  • Her salary is one dollar more than twice John’s salary.
  • B. John’s salary is twice hers plus $1.
  • C. Twice John’s salary is the same as her salary plus one.
  • D. Twice her salary is the same as John’s salary plus $1.

Choices:

1. 2H=J+1

2. H=2J+1

3. 2J=H+1

4. J=2H+1

Christopher Collins - Leto High School

slide21

12. Which expression represents the following sentence: Two pounds of nuts which cost x dollars a pound, and four pounds of chocolates which cost $3 a pound costs $20.

      • 2x + 3(20) = 4
  • B. 2(x+4) = 20
  • C. 2x+4(3)=20
  • D. 2(x+12)= 20

Christopher Collins - Leto High School