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8 multiple-choice questions and 20 flashcards on Exponents and Exponential Functions, about 5% of the High School Algebra 1 bank. Every one carries a written rationale.
Exponents and Exponential Functions is one of 8 chapters in CoStudy's High School Algebra 1 bank, and it holds 8 of the bank's 150 multiple-choice questions — roughly 5% of the total. That proportion is not arbitrary: chapters follow the certifying body's published exam outline, and the number of questions in each is set by that domain's published weight, so the share of your practice time this chapter takes matches the share of the real exam it accounts for.
Studying by chapter is worth doing once you have a diagnostic score. A single overall percentage tells you whether you are close; it does not tell you which domain is dragging. Working a weak chapter in isolation, and re-testing it in isolation, is the fastest way to move a score that has stalled — and it is why the mock exams in CoStudy report by domain rather than as one number.
1 questions drawn from this chapter, with the full rationale shown — the controlling principle behind the right answer, and why each wrong option tempts and fails.
Which best describes the graph of y = 2ˣ?
Answer: A — Exponential growth — always positive, increasing rapidly, y-intercept = 1, never touches x-axis
Exponential function y = bˣ (b>1): growth. Properties: y > 0 always, passes through (0, 1), horizontal asymptote y=0 (never reached), increasing rapidly. Compare linear (constant slope) and quadratic (parabola).
4 cards from the 20 in this chapter.
What is the product of powers rule?
xᵃ · xᵇ = xᵃ⁺ᵇ.
Write 6,500,000 in scientific notation.
6.5 × 10⁶.
Simplify: (x³)⁴.
x¹².
What does x⁰ equal (for x ≠ 0)?
1.
These are a sample. The full Exponents and Exponential Functions chapter runs 28 items with per-chapter progress tracking, on the web and in the iOS app.
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