CRCT Review. What type angles are 3 and 6? 12 34 56 78.

CRCT Review

What type angles are 3 and 6?

1 2

3 45 6

7 8

Solve for x.

4x + 12

64

Solve for x.

86x

What are the coordinate of A’ if the figure is rotated 90 degrees clockwise

about the origin?

A

B C

What are the coordinate of C’ if the figure is reflected across the y axis?

A

B

C

What would the coordinates of point (4, 9) become with a 400%

dilation?

What are the coordinate of B’ if the figure is translated 5 units left and 2

units down?

A

BC

What is the scale factor of

(7x + 2, 7y – 2) ?

Solve.

2 + 14z = -8 + 9z

3(x + 1) – 1 = -4x + 36

Rational or Irrational and Why???

9.64210578……

Evaluate 16²

Between which two whole numbers does √138 lie?

Estimate √112 to the nearest tenth.

Draw a number line and locate √11

Rational or Irrational?

√8

Rational or Irrational?

√16

Rational or Irrational?

.6565

Write 890,000,000 in scientific notation.

(3 x 10⁴)(6 x 10⁻⁷)

9 x 10⁹3 x 10⁴

What is the value of n in

b¹⁶b⁵

= bⁿ

What is the value of n in

(3³)⁴ = 3ⁿ

What is the value of n in

5² · 5⁸ = 5ⁿ

Evaluate.

9² - 3²

Solve.

-5² + -2² + (-4²)

Find c in the right triangle.

8 cm

5 cm

c

A 30 foot tree is leaning against a house. The base of the tree is 12 feet from the bottom of

the house. How far up the house does the tree touch? Estimate your answer to the

nearest tenth.

Is this a right triangle?

5ft, 8ft, 12ft

Find the distance between (3,6) and (5, 2).

Find the distance between(-4, -6) and (-1, -2)

Find the volume of a cylinder with a radius of 4cm and a height of 8cm.

Find the volume of a cone with a diameter of 8cm and a height of 14cm.

Find the volume of a sphere with a radius of 5 inches.

What is the maximum length a golf club can be, if it has to fit inside a box with dimensions

of 18 inches x 12 inches x 10 inches?

Solve.

3(x + 1) – 1 = -4x + 36

³√27

Change 3,460,000,000 to scientific notation

Change to standard form

8.651X 10 ⁵8.932 X 10 ⁻⁴

Determine the slope(-8,9) (-4,-2)

Determine the slope:

X Y

6 8

3 10

0 12

-3 14

-6 16

-9 18

-12 20

Determine the slope and y-intercept:

Y= -9xY= 1/3x -3Y= -x +7Y= -2/3 x +7

Solve the system of equations:

2x +8y=6-5x -20y= -15

2x= -3y+33x= -y+12

Are the following functions?

(9,-8) (3,3) (-3,7) (-9,2) (0,7)

(-7,2) (-9,2) (-8,2) (0,2) (6,2)

(1,5) (3,5) (1,-6) (8,0) (2,-2)

Simplify

7x⁶y⁹z⁴----------------------

21 x⁹y⁵z⁴

Determine if each relationship would be expected to show a positive, negative, or no correlation.

• Level of education and income earned ____________________________

• Shoe size and income earned ____________________________ • Heating bill and temperature outside ____________________________

An outlier is…• A data point that is not in the general pattern.• Any data point that is repeated.• The point on a scatter plot with the largest y-

value.• Any data point on a scatter plot that shows a

change in direction.

Write an equation for this line of best fit:

Predict the amount of money raised if there were 100 sponsors.

Predict the number of sponsors if $1200 was raised.

5/7 to a decimal9/11 to a decimal

3.67 to a fraction6.82 to a fraction.91 to a fraction

Number of Doughnuts Cost

2 $3.50

4 $7.00

6 $10.50

8 $14.00

What is the unit rate?

What is the slope?Number of Scarves Cost

4 $22.00

8 $44.00

12 $66.00

16 $88.00

Linear Vs. Nonlinear

Create a nonlinear: equation, table, and graph

Create a linear: equation table and graph

What are the characteristics of a linear table, graph, and equation?

Solve the following algebraically:

6x-5y=-3 -4x+y=2-4x+y=-5 8x-2y=-4

9x-8y=-6 3x-4y=0X= 3y-7 7x+4y=0

x=-y-84x+4y=-8

Is this a function?X Y

0 8

2 6

4 4

2 2

0 0

2 -2

4 -4

x Y

1 5

2 5

3 5

4 5

5 5

6 5

7 5

Is this a function?

234567

-2-4-6-8

-10

-2-5-8

-11-15

23

Which is a function and why?

What is the rate of change of each?x Y

5 -7

7 -6

9 -5

11 -4

13 -3

Y=-4/5x+7

Make THREE observations about this data:

Boys Girls Total

Play Daily 45 12 57

Do Not Play Daily 5 38 43

Daily 50 50 100

Create a relative frequency table by rows and then create a relative frequency table by columns:

6th grade 7th grade 8th grade Total

Home Language :English

104 99 116 319

Home Language:Not English

56 81 84 221

Total 160 180 200 540

Is it possible to have interior angles of a triangle be:

• 45,55,80• 30,60,100• 12,84,84

Determine the missing angle of the triangle:

• 48,60,x• 34,72,x• 90,42,x

Solve for x

32

28 ? x

Solve

A company stacks three of the same large boxes and two of the same small boxes to a height of 11 feet. It also stacks three large boxes and one small box to a height of 7 feet. What are the heights of the small box and the large box?

Change to slope intercept form

-3x-y=14

-70-7y=-3x

3y-6x=18

Graph -2y+3x= 10

What kind of correlation is this?

What kind of correlation is this?

Solve

3(x+1)= 5x+3 -2x

3x-2+2x-4= 5(x-1)