Sigfigs
How many sigfigs are in this number?
450.0
4 sigfigs
Solve for x
8x+6=70
x=8
What is the equation for finding the circumference of a circle?
C=2(pi)r
Use exponent rules to simplify
(2x3)6
64x18
(x+1)(x-1)
how many sig figs are in this number 45692100
6
At what point does this graph intercept the x-axis?
y=5x+18
What is the area of a triangle in in2 if the base is 10,000 yd and the height is .0001 in?
18 in2
Name the formula
(-b +/- the square root of (-b2-4*a*c))/2*a
The Quadratic Formula
x2+4x-12
(x-2)(x+6)
How many sigfigs in the answer?
5.725+4.2
2 sigfigs
What are the solutions for the given system of equations?
5y-15x=50
y=x2
(-2,4) and (5,25)
What would be the length of the third side of a right triangle in m, if the hypotenuse measures .17 m and another side measures 8 cm?
The length of the third side would be .05 m
Name this formula: C6H12O6 + O2 = H2O + CO2
Cellular respiration
2x2 + 7x + 5
(x + 1)(2x + 5)
(70235 x 10^-12) x (6.2 x 10^21)
How many sigfigs in the answer?
2 sigfigs
If 16x2+7=77, what does (52-21)x*√(1/7) if x>0 equal?
√10
What is the distance between inverse points A and B if point A is at (7, .5) and point B is at (13,5)?
The distance would be 7.5 or 15/2
Name this formula y₂ – y₁ / x₂ – x₁
Distance formula
x2 - 6x + 9 - 4y2
(x - 3 - 2y)(x - 3 + 2y)
How many sigfigs in the answer?
(5.57+600.0) / (314.0+4.02)
1.90
3 sigfigs
Foil this expression
(x-y)4
x4−4x3y+6x2y2−4xy3+y4
The lengths of the sides of a triangle are x, 16, and 31, where x is the shortest side. If the triangle is not isosceles, what is a possible value of x?
15<x<16 or any number between 15 and 16
Name this formula Delta G = Delta H - T(Delta S)
Gibbs free/available energy
3x3 - x2y +6x2y - 2xy2 + 3xy2 - y3 =
(3x - y)(x + y)2