Standardized Test Lines Practice
Line n passes through (12,4) and (-6,10). Line s is perpendicular to line n and passes through (-3,9). Find the equation of line n.
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SAT Writing + Language, ACT English Important Review
The SAT and ACT both test your precision of language. – No commas around a name – Watch for singular/plural issues (singular–it and plural–they) – No comma between subject and verb – The company made. no commas here – Check to make sure you have a full sentence – 3/4 ways to separate 2 full[…]
Studying for the ACT Science Section
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 =[…]
Essentials for ACT Science
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
Balancing Chemistry Equations for ACT Science
CH4 + 2O2 –> CO2 + 2H2O Left hand side: 1 C, 4 H, 4 O Right hand side: 1 C, 4 H, 4 O
Important Equations Involving Percents
These equations are important for SAT and ACT math. – Percent change: (new-old)/old * 100 – Percent error: (experimental-theoretical)/theoretical *. 100
Know Your Physics + Chemistry for ACT Science!
– Density = mass/volume – Increasing pressure always raises density. Increasing temperature usually lowers density. When water freezes, it is less dense than liquid water. – Force of a spring = kx k is a constant and x is the amount of stretch or compression. – PE(spring) = 0.5kx^2 – Fahrenheit and Celsius F =[…]
Advanced Definitions for ACT Biology
Monocot = flowering plant whose seeds have one embryonic leaf (cotyledon) Dicot = plant with seed with two embryonic leaves (cotyledons)
Scientific Terms to Know for Standardized Tests
– Peduncle: the stalk of a flower – Receptacle: the part of a flower stalk where the parts of the flower are attached – Sepal: the outer parts of the flower (often green and leaf-like) that enclose a developing bud – Stamen: the pollen producing part of a flower, usually with a slender filament supporting[…]
DNA Info for Science Section on Standardized Tests
– DNA undergoes transcription to become RNA. RNA undergoes translation to become protein. – Ribosomes contain RNA – Proteins are large molecules with smaller amino acids in them. – The nucleus of a cell contains chromosomes. The chromosomes have DNA wrapped in proteins.