Hard Enhanced ACT Practice Questions
136 free hard-difficulty Enhanced ACT questions, drawn live from KomFi's calibrated bank. These are the items that separate top scorers — every one carries a full explanation and trap analysis once you sign in.
- Which choice best maintains parallel structure and logic?
- What is dfrac3+2i1-i written in the standard form a+bi, where i=√(-1)?
- Solve for x: log_2 (x) + log_2 (x - 2) = 3.
- The passage most strongly suggests that the naturalist's changed view of the marsh resulted primarily from:
- Which statement is true?
- Which statement is true?
- A piecewise function is defined by f(x) = begincases x + k & x ≤ 2 kx - 1 & x > 2 endcases. If the function is
- The function f(x)=2x^2-12x+23 has a minimum value. What is that minimum value?
- For the interval [0, 2π), solve 2sin(2x) = √(3).
- What is the range of h(x)?
- What is the shortest distance between a point on the first circle and a point on the second circle?
- Which of the following observations regarding the marginal increase in yield is correct?
- The author's central criticism of the 1960s planners is that they:
- The narrator's understanding of the grandmother's activity changes primarily because:
- Identify the punctuation error in the following sentence: 'The structural integrity of the bridge was compromi
- What does the second survey most strongly suggest when compared with the first?
- Which conclusion is BEST supported by the data?
- Which ordering of events, from earliest to latest, is fully consistent with these relationships?
- Read the sentence, then choose the best revision of the underlined portion.
- Which choice is best?
- In context, which choice provides the most precise and idiomatic verb, given that the sentence describes a gra
- The writer wants the punctuation around "the section he trusted least" to mark a parenthetical aside without w
- Which pair of verbs correctly completes the sentence?
- What is the probability that a sum of 7 appears before a sum of 8?
- Both passages agree that a map necessarily omits information, but they differ in that, unlike Passage A, Passa
- The critic's final sentence ("The reader who laughs…") functions primarily to:
- To the nearest tenth of a foot, how tall is the lighthouse?
- What is the probability that both marbles drawn are the same color?
- For the ellipse dfracx^225+dfracy^216=1, what is the distance between its two foci?
- If z = 2 - i and w = -1 + 3i, what is z · overlinew written in the form a+bi, where overlinew is the complex c
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