Did you know? The SAT Math section focuses on 3 areas of math: Heart of Algebra, Problem Solving and Data Analysis, and Passport to Advanced Math. It’s important to know the following conversions: inches to feet-divide by 12 feet to inches-multiply by 12 minutes to hours-divide by 60 hours to minutes-multiply by 60 minutes to[…]
Both the SAT & ACT Math sections involve the manipulation of equations and solving linear systems. Percent change formula [(new-old)/old]*100 When you raise an exponent to another power you multiply the 2 exponents When you multiply the bases you add the exponents — For linear functions start with slope. Solve for slope then set up[…]
Mastery of parabolas is essential for math on the ACT and SAT. For parabolas vertex is (h,k) y=a(x-h)^2 + k y=ax^2+bx+c form vertex x= -b/2a
No commas for prepositional phrases What does this mean? When you see words like in on for by from to with around of Don’t use commas for them. Examples from the test C02. These sentences have no commas. The team that prevails in two of the three periods wins the game. Sweet Auburn’s designation in[…]
Definitions for Chemistry Labs: – Solution = liquid mixture – Titrant = solution of a known concentration. Use a burette to put the titrant into a solution (in a beaker). – Solute = minor component that is uniformly distributed in the solvent – Solvent = major component that contains the solute – Precipitate = insoluble[…]
Did you know? The ACT has a science section that tests skills such as analyzing scientific observations. Freezing: the substance changes from a liquid to a solid. Melting: the substance changes from the solid to the liquid. Condensation: the substances changes from a gas to a liquid. Vaporization: the substance changes from a liquid to[…]
Did you know? These are some basics of chemistry that are important to know for the ACT Science section. Elements: – Na = sodium – K = potassium – Ca = calcium – Mg = magnesium – C = carbon – Al = aluminum – S = sulfur – Cl = chlorine – O =[…]
Below are a few of the most commonly known compounds: Glucose – C6H12O6 Hydrochloric acid – HCl Water – H2O Salt – NaCl Octane – C8H18 Baking soda – NaHCO3 Hydrogen peroxide – H2O2
CH4 + 2O2 –> CO2 + 2H2O Left hand side: 1 C, 4 H, 4 O Right hand side: 1 C, 4 H, 4 O
These equations are important for SAT and ACT math. – Percent change: (new-old)/old * 100 – Percent error: (experimental-theoretical)/theoretical *. 100