Algebraic Equations
Solve for X:
X + 8 -2x = 25
x=-17
What is the square root of 16
4
a= 3
b= 4
c = ??
c=5
Write in standard form: 8.3 x 10-5
0.000083
6x+7y=-14
y=-6/7x -2
Solve for X:
2 -(x-3)=10
x=−5
Solve 2(3x+1)=14
x=2
Find the distance between (1,3) and (7,9). Round to the nearest hundredth
8.49
Name the 2 transformations that change the orientation of a shape.
Reflection, Rotation
Write the EQUATION for the line that passes through (4, -2) and (8,1)
y=3/4x-5
Solve for X:
3(x+2)+4x=22
X= 2.29
What is the cube root of 81? Round to the nearest HUNDRETH>
4.33
a=9
b= ??
c= 27
Round to the nearest tenth.
25.5
Describe the movement of a figure that is translated according to the rule:
(x,y) --> (x-2, y+5)
Left 2 and up 5.
Solve the system using any method
y=x+4
5x+3y=-4
(-2, 2)
A student bought a t-shirt that costs $7.50 and 3 pens. She spent a total of $24.87. How much did she spend on each pen?
$5.79
is the square root of 13 a rational or irrational number and WHY
No, cannot be a fraction
8.1 units long
Write in scientific notation
327,000,000
3.27 x 108
A class of 195 students went on a field trip. They took 7 vehicles, some cars and some buses. Find the number of cars and the number of buses they took if each car holds 5 students and each bus holds 45 students.
3 cars and 4 buses
c+b=7
5c+45b=195
Solve for X:
3(x+1)-5 =3x-2
Infinite Solutions
Lena is buying packs of stickers. Each pack costs $3. She also pays a one-time shipping fee of $5. If Lena spent a total of $26, how many packs of stickers did she buy?
7 packs
The bottom of a ladder must be placed 3 feet from a wall. The ladder is 10 feet long. How far above the ground does the ladder touch the wall? Round to the nearest tenth.
9.5 feet
Gear A runs at 1.26x104 rounds per minute. Gear B runs at 4.2x102 rounds per minute. How many times more rounds per minute does gear A turn than gear B?
30 more rounds per minute.
What is the slope of the line represented by: 4x-3y=18
m=4/3