Number System and Operations
Which of the following numbers are irrational?
1/2
0.985702...
42
1053.9782
0.985702...
Evaluate √100 + √36
16
What is the measurement of the missing angle in the triangle, if 2 angles measures 50 degrees each? (Image 6)
80 degrees
Solve this system using the substitution method.
-3x+3y=3 -5x+y=13
(-3,-2)
What kind of equation would you expect of the following situation?
Money you spent at the mall
Negative Equation
Solve the problem. -9 - 12
-21
Evaluate 32 x 3-4
1/9
Using the equation y=-2x+4, what is the value of y when x is 2?
0
What kind of relationship is <2 and <7 in? (Image 8)
Alternate Exterior Angles
6 = 2x + 2. What is the value of x
x = 2
Rewrite the following in scientific notation.
1300000
1.3x 106
Evaluate (8.2 x 104) - (1.2 x 102)
7.0 x 102
What is the y-intercept of 3x-y=-6?
Y-intercept: 6
Find the slope of (-1,4) and (3,8). Round your answer to the nearest tenth.
1
How many Solutions to: 3x + 3 = 3x - 3. Why?
No Solution, because 3 does not equal -3
What 2 integers is √95 between? Which integer is it closest to?
9 and 10; 10
Simplify the expression 6+2(5v-1)
10v+4
Find the slope of the line that passes through (-1,1) and (-4,5).
Slope=-4/3
Find the volume of a cube with the side measuring 5cm (Image 10)
125 cm3
Solve the problem for x.
2x - 4 = 3x
x = -4
Use order of operations to solve the following problem.
12+2 x (2+3)2 -3 x 4
50
Solve the equation for X. 4x-40=7(-2x+2)
X=3
Is the following graph (circle) a function? How do you know? (Image 7)
No. The graph does not pass the vertical line test.
Find the new ordered pair. (5,1) is reflected over the y-axis.
(-5,1)
Solve for x.
2( x+ 3) = 3x + x + 7
x = -(1/2)