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找到 510 道题
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
If 3(x − 4) = 2x + 1, what is the value of x?
★★
偏易
来源:SAT · 真题改编(最接近出处:College Board Bluebook Digital Practice Test 1, Math Module 1 前段,纯求解类)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
简答题
What is the solution to the equation x/3 + x/4 = 7/6 ?
★★★
中等
来源:SAT · 真题改编(最接近出处:纸质 SAT Practice Test 1, Section 3 (no-calculator) 分数系数方程题型;Digital SAT 官方题库 ID 349a5bc1 同题型)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
A bamboo plant had a height of 3 feet when it was planted. The equation 14 = 3 + 2n can be used to find how many years n it took the plant to reach a height of 14 feet. Which of the following is the b…
★★★★
偏难
来源:SAT · 真题改编(最接近出处:Digital SAT 官方题库 Question ID aa85b138(tree height 6→14 feet 解释方程中数字 2 的原题),替换情境)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
If 5k + 3 = 23, what is the value of 10k + 6?
★★
偏易
来源:SAT · 真题改编(最接近出处:Digital SAT Practice Test 7, Math Module 2 填空题——官方原题给 (6/7)p + 18 = 54 求 7p,思路完全一致)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
简答题
In the equation 4(x + 2) = ax + 8, a is a constant. If the equation has infinitely many solutions, what is the value of a?
★★★
中等
来源:SAT · 真题改编(最接近出处:Digital SAT 官方题库 Question ID 5c94e6fa / 15daa8d6,"infinitely many solutions 求常数"同题型)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
If (2x + 1)/3 = (x + 4)/2, what is the value of x?
★★★★
偏难
来源:SAT · 真题改编(最接近出处:纸质 SAT Practice Test 8, Section 3 分数方程;Digital SAT 官方题库 ID 7a5a74a6 同题型)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
Maya paid a total of [公式] 200 plus monthly payments of $55 each. How many monthly payments did Maya make?
★★
偏易
来源:SAT · 真题改编(最接近出处:Digital SAT 官方题库 Question ID 6105234d,"down payment + monthly payments" 建模题同题型)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
In the equation 6x − 9 = 2(3x + c), c is a constant. If the equation has infinitely many solutions, what is the value of c?
★★★
中等
来源:SAT · 真题改编(最接近出处:Digital SAT 官方题库 Question ID 12ee1edc("b is a constant, no solution")与 e6cb2402 同题型)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
Alan drives an average of 100 miles each week. His car can travel an average of 25 miles per gallon of gasoline. Alan would like to reduce his weekly expenditure on gasoline by [公式] 4 per gallon, whic…
★★★★
偏难
来源:SAT · 真题改编(最接近出处:Digital SAT 官方题库 Question ID b7e6394d(Alan 每周开 100 英里、省油费 $5 的建模原题),保留数据仅微调设问)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.02 Algebra 代数 · 一次函数(Linear Functions)
简答题
The function f is defined by f(x) = 3x − 7. What is the value of f(4)?
★★
偏易
来源:SAT · 真题改编(Digital SAT Bluebook Practice Test 4, Math Module 1 同题型)
#Algebra, linear functions
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
What is the solution to the equation 0.5(x + 8) = 0.25x + 6 ?
★★★
中等
来源:SAT · 真题改编(最接近出处:纸质 SAT Practice Test 6, Section 4 小数系数方程;Digital SAT 官方题库 ID 097e10f5 同题型)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
How many solutions does the equation 3(x − 2) + x = 4x − 6 have?
★★★★
偏难
来源:SAT · 真题改编(最接近出处:Digital SAT 官方题库 Question ID 25e1cfed("How many solutions does the equation have?")同题型)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.02 Algebra 代数 · 一次函数(Linear Functions)
选择题
What is the slope of the line in the xy-plane that passes through the points (2, 3) and (6, 11)?
★★
偏易
来源:SAT · 真题改编(Khan Academy Official SAT Practice, "Linear function word problems" 单元同题型)
#Algebra, linear functions
Mathematics
·
SAT
·
01.01 Algebra 代数 · 一元线性方程 Linear Equations in One Variable
选择题
A tank contained 18,000 liters of water. A pump removes water from the tank at a constant rate. After 4 hours of pumping, 14,400 liters of water remained in the tank. If the pump continues to remove w…
★★★
中等
来源:SAT · 真题改编(最接近出处:Digital SAT 官方题库 Question ID 2937ef4d(Hector 用 auger 匀速抽玉米原题),仅替换情境与数据)
#Algebra, linear equations one variable
Mathematics
·
SAT
·
01.02 Algebra 代数 · 一次函数(Linear Functions)
选择题
The function f is linear, with f(2) = 3 and f(5) = 12. What is the value of f(0)?
★★★★
偏难
来源:SAT · 真题改编(Digital SAT Bluebook Practice Test 8, Math Module 2 同题型)
#Algebra, linear functions
Mathematics
·
SAT
·
01.02 Algebra 代数 · 一次函数(Linear Functions)
选择题
A plumber charges a one-time service fee plus an hourly rate for each job. The total cost C(h), in dollars, for a job that takes h hours is given by C(h) = 45 + 12h. What is the best interpretation of…
★★
偏易
来源:SAT · 真题改编(2022年10月 School Day SAT 同题型)
#Algebra, linear functions
Mathematics
·
SAT
·
01.02 Algebra 代数 · 一次函数(Linear Functions)
选择题
The table shows selected values of the linear function f. Which equation defines f? | x | 0 | 2 | 4 | |---|---|---|---| | f(x) | 5 | 11 | 17 |
★★★
中等
来源:SAT · 真题改编(College Board Official Practice Test 6(纸质版), Section 3 同题型)
#Algebra, linear functions
Mathematics
·
SAT
·
01.02 Algebra 代数 · 一次函数(Linear Functions)
选择题
In the xy-plane, the line with equation 2x + 3y = 6 crosses the x-axis at the point (a, 0). What is the value of a?
★★★★
偏难
来源:SAT · 真题改编(College Board Official Practice Test 9(纸质版), Section 3 同题型)
#Algebra, linear functions
Mathematics
·
SAT
·
01.03 Algebra 代数 · 一元线性不等式(Linear Inequalities in One Variable)
选择题
Which of the following is the solution to the inequality −3x ≥ 12?
★★
偏易
来源:SAT · 真题改编(Khan Academy Official SAT Practice, "Linear inequalities" 单元同题型)
#Algebra, linear inequalities
Mathematics
·
SAT
·
01.02 Algebra 代数 · 一次函数(Linear Functions)
选择题
In the xy-plane, a line has a slope of −2 and passes through the point (3, 4). What is the y-coordinate of the point where this line crosses the y-axis?
★★★
中等
来源:SAT · 真题改编(Digital SAT Bluebook Practice Test 7, Math Module 1 同题型)
#Algebra, linear functions
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